Galaxies
Hubble Captures Striking New Image of Grand Design Spiral Galaxy Messier 100  SCI-NEWS.COM · 18 hours
A new image from the NASA/ESA Hubble Space Telescope shows the core and the innermost parts of the spiral arms of a spiral galaxy... more
What Is Solar Mass?  SPACE.COM · 5 days
How would you measure the masses of objects as big as stars, galaxies and black holes? With solar mass. And you can thank Sir Isaac Newton for that. more
Unusual ultraluminous X-ray source discovered in the galaxy Messier 86  PHYS.ORG · 6 days
Using data provided by NASA's Chandra spacecraft, astronomers have identified a new unusual ultraluminous X-ray source (ULX) in the elliptical galaxy Messier 86. The newly found ULX, designated... more
Astronomers find far-flung wind from a black hole in the universe’s first light  SCIENCE-NEWS · 6 days
The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up... more
Large Magellanic Cloud: Nearby Satellite Dwarf Galaxy  SPACE.COM · 6 days
The Large Magellanic Cloud (LMC) is a satellite dwarf galaxy that is among the closest galaxies to Earth. more
Stargazer Scopes Out the Cosmos with a Mobile Planetarium (Photo)  SPACE.COM · 7 days
Turning your smartphone in a tool to identify celestial objects in real time is easy and a big help. The image shows a sky enthusiast searching for the... more
Black Hole 'Donuts' are Actually 'Fountains'  ASTRO WATCH · 1 week
Based on computer simulations and new observations from the Atacama Large Millimeter/submillimeter Array (ALMA), researchers have found that the rings of gas surrounding active... more
Fabrication of Powerful Telescope Begins  ASTRO WATCH · 1 week
Fabrication of the Cerro Chajnantor Atacama Telescope-prime (CCAT-p), a powerful telescope capable of mapping the sky at submillimeter and millimeter wavelengths, has now begun, marking a... more
Boundary of space being reconsidered as Virgin Galactic test program advances  SPACE NEWS · 1 week
As Virgin Galactic gets closer to its first suborbital flights into space, a potential... more
Andromeda Galaxy Twinkles in a Colorful Sea of Stars (Photo)  SPACE.COM · 1 week
The genus Homo is estimated to be between 1.5 and 2.5 million years old. At approximately the same time, in space, the light from our neighboring galaxy Andromeda... more
Hubble Telescope Spots Thousands of 'Orphaned' Star Clusters Drifting Between Galaxies  SPACE.COM · 1 week
An enormous cosmic neighborhood that's home to more than 1,000 gravitationally bound galactic neighbors is bursting with thousands of stray star clusters, images from the Hubble... more
Astronomers Trace History of Universe’s Star Formation  SCI-NEWS.COM · 1 week
Astronomers believe that our Universe began forming the first stars when it was a few hundred million years old. Since then, the... more
Scientists Measure All of the Starlight Ever Produced by the Observable Universe  ASTRO WATCH · 2 weeks
From their laboratories on a rocky planet dwarfed by the vastness of space, Clemson University scientists have managed to measure all of the starlight... more
A gamma-ray determination of the Universes star formation history  Science Magazine · 2 weeks
The light emitted by all galaxies over the history of the Universe produces the extragalactic background light (EBL) at ultraviolet, optical, and infrared wavelengths. The EBL is a source of... more
Hubble uncovers thousands of globular star clusters scattered among galaxies  PHYS.ORG · 2 weeks
Gazing across 300 million light-years into a monstrous city of galaxies, astronomers have used NASA's Hubble Space Telescope to do a comprehensive census of some of its most... more
Back in Action! Recovered Hubble Telescope Nabs Nifty New Picture  SPACE.COM · 2 weeks
After taking a short break from observing the cosmos, NASA's Hubble Space Telescope is officially back up and running, and the observatory captured a stunning new view of... more
Behind the Scenes of Recovering NASA’s Hubble  ASTRO WATCH · 2 weeks
In the early morning of October 27, the Hubble Space Telescope targeted a field of galaxies not far from the Great Square... more
Behind the scenes of recovering NASA's Hubble  PHYS.ORG · 2 weeks
In the early morning of October 27, the Hubble Space Telescope targeted a field of galaxies not far from the Great Square in the constellation Pegasus. Contained in the field were star-forming galaxies up... more
The quest for galactic relics from the primordial universe  PHYS.ORG · 2 weeks
A new study reports characteristics of massive, ultracompact galaxies. It was published in the journal Astronomy & Astrophysics and was carried out by an international team led by Fernando Buitrago... more
How scientists are working together to solve one of the universe's mysteries  PHYS.ORG · 2 weeks
One of the most baffling puzzles of modern astrophysics is the nature of Fast Radio Bursts, which were discovered in 2007. These are seemingly... more
Enormous dwarf satellite galaxy of Milky Way discovered  PHYS.ORG · 2 weeks
Using data from ESA's Gaia spacecraft, astronomers have discovered a new Milky Way satellite in the constellation Antlia. The newly found dwarf galaxy, named Antlia 2, is several times larger when compared... more
New ultra-luminous X-ray pulsar discovered  PHYS.ORG · 2 weeks
Using ESA's XMM-Newton and NASA's NuSTAR space telescopes, a team of astronomers from Germany has detected a new ultra-luminous pulsar in the galaxy NGC 300. The finding of this pulsar, which received designation NGC 300 ULX1, is detailed... more
Astronomers Find Enormous Relic of Disrupted Tadpole Galaxy  SCI-NEWS.COM · 2 weeks
The disrupted ‘tadpole’ galaxy has an elliptical head and a long, straight tail, and is approximately one million light-years long... more
Globular clusters could offer clues on formation and evolution of inner Milky Way  PHYS.ORG · 2 weeks
Brazilian astronomer Denilso Camargo has recently discovered five new globular clusters in the Milky Way's bulge that could offer essential clues on... more
Cyber Monday 2018 Deal: Sphero R2-D2 Droid Can Explore the Galaxy!  SPACE.COM · 2 weeks
This Astromech Droid from a galaxy far, far away can be yours for $39.99, which is 60 percent off the normal listing. more
Cyber Monday 2018: The Best Star Wars Deals  SPACE.COM · 2 weeks
The holidays are upon us and fans don't have to travel to a galaxy far, far away to score Jedi-worthy deals. May the force be with you! more
New Trailer for 'The Lego Movie 2' Promises Out-of-This-World Adventure!  SPACE.COM · 2 weeks
A new trailer for "The Lego Movie 2" launches into intergalactic space on what promises to be an epic adventure in brick form. more
Black Friday 2018 Deal: Sphero R2-D2 Droid Can Explore the Galaxy!  SPACE.COM · 3 weeks
This Astromech Droid from a galaxy far, far away can be yours for $39.99, which is 60 percent off the normal listing. more
Spot the Andromeda Galaxy Overhead This Week  SPACE.COM · 3 weeks
The most distant object in space that we can see with our unaided eyes, the Andromeda Galaxy, is located more than 2 million light-years away — but you can see it in the early... more
Black Friday 2018: The Best Star Wars Deals  SPACE.COM · 3 weeks
The holidays are upon us and fans don't have to travel to a galaxy far, far away to score Jedi-worthy deals. May the force be with you! more
Discovery of Hotspots Circling Milky Way Black Hole Has Astronomers Excited  SPACE.COM · 3 weeks
Last week, astronomers announced the discovery of "hotspots" circling the drain of a massive black hole, proving a decade-old theory that a behemoth lies at the... more
Astronomers discover giant relic of disrupted 'tadpole' galaxy  SCIENCE DAILY · 3 weeks
Astronomers have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million light years away from Earth. The discovery illuminates how... more
New Arecibo Observatory Message Challenge Announced  ASTRO WATCH · 3 weeks
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was... more
What Is a Spiral Galaxy?  SPACE.COM · 3 weeks
A spiral galaxy has a distinct winding shape. Most of the galaxies observed by astronomers are spiral galaxies. more
Hubble Spots Young, Massive Globular Cluster NGC 1866  SCI-NEWS.COM · 3 weeks
Globular clusters are densely packed, spherical collections of several hundred thousand stars. They are among the oldest known objects in... more
Doomed star in Milky Way threatens rare gamma-ray burst  PHYS.ORG · 3 weeks
University of Sydney astronomers, working with international colleagues, have found a star system like none seen before in our galaxy. more
Euclid progresses with primary mirror delivery  PHYS.ORG · 3 weeks
In order to observe billions of faint galaxies and investigate the nature of the dark Universe, ESA's pioneering Euclid mission will require state-of-the-art optics. The first optical element to be delivered, the telescope's primary mirror (M1),... more
New Arecibo Observatory message challenge announced  PHYS.ORG · 3 weeks
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, and with... more
Astronomers discover giant relic of disrupted Tadpole galaxy  PHYS.ORG · 3 weeks
A team of astronomers from Israel, the U.S. and Russia have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million... more
Rapid 'turn-on' of a nuclear transient observed by astronomers  PHYS.ORG · 3 weeks
An international team of astronomers has observed the peculiar activity of a nuclear transient event known as PS1-13cbe. The transient, which occurred in the nucleus of the galaxy SDSS J222153.87+003054.2,... more
New film celebrates Hubble Space Telescope  PHYS.ORG · 3 weeks
On Friday, November 16, a unique film and musical experience, inspired by the Hubble Space Telescope's iconic Deep Field image, premieres at the Kennedy Space Center. The film, titled Deep Field: The Impossible Magnitude of our... more
Image: Hubble hooks a cosmic jellyfish  PHYS.ORG · 3 weeks
At first glance, a bright blue crescent immediately jumps out of this NASA/ESA Hubble Space Telescope image. Is it a bird? A plane? Evidence of extraterrestrial life? No—it's a galaxy. more
Chandra Captures Collision of Two Galaxy Clusters: Abell 1033  SCI-NEWS.COM · 3 weeks
Astronomers using data from NASA’s Chandra X-ray Observatory have determined that a massive group of galaxies called Abell... more
Gravitationally lensed quasars  PHYS.ORG · 3 weeks
The path of light is bent by mass, an effect predicted by Einstein's theory of gravity, and when a massive galaxy or cluster lies along our line-of-sight to a more distant galaxy its matter will act as a lens to... more
Astronomers discover giant relic of disrupted 'tadpole' galaxy  nanowerk · 3 weeks
A team of astronomers have identified a disrupted galaxy resembling a giant tadpole, complete with an elliptical head and a long, straight tail, about 300 million light years away from Earth. more
Universe’s Most Luminous Galaxy Is Accreting Its Smaller Neighbors  SCI-NEWS.COM · 3 weeks
WISE J224607.55-052634.9 (W2246-0526 for short), the most luminous galaxy ever discovered, is accreting (eating) at least three of... more
Researchers have created a virtual reality simulation of a supermassive black hole  PHYS.ORG · 3 weeks
The black hole at the centre of our galaxy, Sagittarius A*, has been visualised in virtual reality for the first time. The details are... more
Beam Us Up! Colliding Galaxy Clusters Look Like Starship Enterprise (Photo)  SPACE.COM · 3 weeks
Is that the USS Enterprise blurring as it makes the jump to warp speed? Well, no. But a new photo of the galaxy cluster Abell 1033... more
Film Inspired and Written by Grammy Award-Winning Composer Eric Whitacre Celebrates Hubble  ASTRO WATCH · 3 weeks
On Friday, November 16, a unique film and musical experience, inspired by the Hubble Space Telescope’s iconic Deep Field image, premieres at the Kennedy... more
Trans-galactic Streamers Feeding Most Luminous Galaxy in the Universe  ASTRO WATCH · 3 weeks
The most luminous galaxy in the universe has been caught in the act of stripping away nearly half... more
Intergalactic Thriller 'Origin' Now Streaming on YouTube  SPACE.COM · 4 weeks
YouTube Premium subscribers can now watch all 10 episodes of the new intergalactic thriller "Origin," and the first two are free for anyone to stream. more
Abell 1033: To Boldly Go into Colliding Galaxy Clusters  ASTRO WATCH · 4 weeks
Hidden in a distant galaxy cluster collision are wisps of gas resembling the starship Enterprise — an iconic... more
Image: Finding an elusive star behind a supernova  PHYS.ORG · 4 weeks
Located 65 million light-years away is a blue supergiant star that once existed inside a cluster of young stars in the spiral galaxy NGC 3938, as shown in this artist's concept. It... more
Abell 1033: To boldly go into colliding galaxy clusters  PHYS.ORG · 4 weeks
Hidden in a distant galaxy cluster collision are wisps of gas resembling the starship Enterprise—an iconic spaceship from the "Star Trek" franchise. more
Trans-galactic streamers feeding most luminous galaxy in the universe  SCIENCE DAILY · 4 weeks
ALMA data show the most luminous galaxy in the universe has been caught in the act of stripping away nearly half the mass from at least three of its smaller... more
Trans-galactic streamers feeding most luminous galaxy in the universe  PHYS.ORG · 4 weeks
The most luminous galaxy in the universe has been caught in the act of stripping away nearly half the mass from at least three of its smaller neighbors, according to... more
Superbrilliant Galaxy Got Its Energy by Gobbling Up Its Neighbors  SPACE.COM · 4 weeks
The most luminous galaxy known appears to have devoured three smaller galaxies at the same time, revealing details about why it shone so brightly. more
The multiple merger assembly of a hyperluminous obscured quasar at redshift 4.6  Science Magazine · 4 weeks
Galaxy mergers and gas accretion from the cosmic web drive the growth of galaxies and their central black holes at early epochs. We report... more
The dance of the small galaxies that surround the Milky Way  PHYS.ORG · 4 weeks
An international team led by researchers from the IAC used data from the ESA satellite Gaia to measure the motion of 39 dwarf galaxies. This data... more
Image: Hubble spots a lonely blue dwarf  PHYS.ORG · 4 weeks
This captivating image from the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 shows a lonely dwarf galaxy 100 million light-years away from Earth. This image depicts the blue compact dwarf galaxy ESO 338-4, which can be found... more
Merging galaxy cluster provides laboratory for accelerating electrons  PHYS.ORG · 4 weeks
Merging galaxy clusters provide natural laboratories for astronomers to study cosmic phenomena. Igone Urdampilleta from SRON Netherlands Institute for Space Research uses the merger Abell 3376 to study how electrons rush through... more
Galaxies like Russian dolls  PHYS.ORG · 4 weeks
Jairo Méndez Abreu and Adriana de Lorenzo-Cáceres, researchers at the Instituto de Astrofísica de Canarias (IAC), have discovered a peanut-shaped structure in the inner bar of a double-barred galaxy close to the Milky Way. Structures of this type, previously detected... more
Gaia spots a 'ghost' galaxy next door  PHYS.ORG · 4 weeks
The Gaia satellite has spotted an enormous 'ghost' galaxy lurking on the outskirts of the Milky Way. more
Hubble Sees Lensing Galaxy Cluster, Cosmic ‘Jellyfish’  SCI-NEWS.COM · 4 weeks
Galaxy clusters are some of the most massive objects that can be found in the Universe. A new image from the NASA/ESA... more
Researchers conduct comprehensive study of the merging galaxy cluster MACS J0417.5-1154  PHYS.ORG · 4 weeks
An international team of scientists has carried out a comprehensive multi-wavelength study of one the merging galaxy clusters known as MACS J0417.5-1154. The research, available in... more
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