Material falling into a black hole casts X-rays out into space—and now astronomers have used the echoes of this radiation to map the dynamic behavior and surroundings of a black hole itself.... PHYS.ORG · 1 month
Blind as a bat? The genetic basis of echolocation in bats and whales  PHYS.ORG · 4 weeks
Clicks, squeaks, chirps, and buzzes...though they may be difficult to distinguish to our ears, such sounds are used by echolocating animals to... more
Astronomers Discover Class of Strange Objects Near Our Galaxy’s Enormous Black Hole  ASTRO WATCH · 4 weeks
Astronomers from UCLA’s Galactic Center Orbits Initiative have discovered a new class of bizarre objects at the center of our galaxy, not far from... more
Black holes eat stars in variable mood lighting  PHYS.ORG · 2 weeks
When a black hole chews up a star, it produces visible light or X-rays, but astronomers have almost never detected both types of radiation. Astronomer Peter Jonker (SRON / Radboud University) and... more
Calculating Hawking radiation at the event horizon of a black hole  PHYS.ORG · 3 weeks
A RUDN University physicist has developed a formula for calculating Hawking radiation on the event horizon of a black hole, which allows physicists to determine how... more
Twisted radio beams in space reveal unique properties of black holes  nanowerk · 2 days
An international research team that has detected twisted radio beams from the famous black hole in the M87 galaxy. The radiation discovered reveals unique properties of... more
Astronomers search for gravitational-wave memory  PHYS.ORG · 3 weeks
Astronomers regularly observe gravitational waves (GW)—ripples in space and time—that are caused by pairs of black holes merging into one. Einstein's theory of gravity predicts that GW, which squeeze and stretch space as they pass, will permanently distort... more
Breakthrough Listen releases 2 petabytes of data from SETI survey of Milky Way  PHYS.ORG · 1 week
The Breakthrough Listen Initiative today released data from the most comprehensive survey yet of radio emissions from the plane of the Milky... more
Breakthrough Listen Scientists Release New Data from SETI Survey of Milky Way  SCI-NEWS.COM · 5 days
The Breakthrough Listen Initiative, the largest ever scientific research program aimed at finding evidence of alien civilizations, has released data from the most comprehensive... more
Space station's cosmic detector working after 4 spacewalks  PHYS.ORG · 3 weeks
The cosmic detector that required a series of difficult spacewalking repairs is back in action. more
Astrophysicists construct approximations for the metric of spherically symmetric black holes  PHYS.ORG · 4 weeks
RUDN astrophysicists have proposed a new method for approximate calculation of the parameters of spherically symmetric black holes in the Einstein-Maxwell theory. By comparing the shadow... more
Simulations reveal galaxy clusters details  PHYS.ORG · 1 month
Inspired by the science fiction of the spacefaring Romulans of Star Trek, astrophysicists have used XSEDE-allocated supercomputers to develop cosmological computer simulations called RomulusC, where the 'C' stands for galaxy cluster. With a focus on black hole physics,... more
Making simulated cosmic dust—in the microwave  PHYS.ORG · 3 weeks
Cosmic dust is the key to the chemical evolution of stars, planets, and life itself, but its composition is not well understood, and we can't currently collect samples for analysis. A few examples have arrived on... more
Spacewalking astronauts close to fixing cosmic ray detector  PHYS.ORG · 4 weeks
Spacewalking astronauts worked to complete repairs to a cosmic ray detector outside the International Space Station on Saturday and give it new life. more
Is hiring more black officers the key to reducing police violence?  PHYS.ORG · 3 weeks
High-profile cases of officer brutality against black citizens in recent years have caused Americans to question the racial makeup of their police departments. more
Starlink vs. the astronomers  SPACE NEWS · 3 weeks
Since the first Starlink satellites launched in May, astronomers have complained that those satellites, and potentially other systems to be launched in the next few years, could make... more
Astronomers have serious concerns about satellite constellations  PHYS.ORG · 2 weeks
Picture the space around Earth filled with tens of thousands of communications satellites. That scenario is slowly coming into being, and it has astronomers concerned. Now, a group of astronomers has written a paper... more
Citizen Scientists Discover Rare Cosmic Pairing  ASTRO WATCH · 7 days
Citizen scientists have uncovered a bizarre pairing of two brown dwarfs, objects much smaller than the Sun that lack enough mass for nuclear fusion.... more
Astronomers witness the dragging of space-time in stellar cosmic dance  PHYS.ORG · 3 weeks
An international team of astrophysicists led by Australian Professor Matthew Bailes, from the ARC Centre of Excellence of Gravitational Wave Discovery (OzGrav), has shown exciting new evidence for... more
Stalking Starlink's 'black sheep' DarkSat  PHYS.ORG · 4 weeks
By now, you've no doubt heard of (or seen) Starlink. SpaceX's mega-satellite constellation has become a permanent fixture in our skies as of late, with several routine passes on any given week. But have you seen the supposed... more
New global biodiversity study provides unified map of life on land and in the ocean  PHYS.ORG · 3 weeks
New research led by the Monterey Bay Aquarium and partner organizations yielded the first comprehensive global biodiversity map... more
Black history month is not just a time to celebrate marches and martyrs  PHYS.ORG · 3 weeks
February 1st marks the start of Black History Month. While many people are familiar with iconic figures such as Martin Luther King... more
New world map of fish genetic diversity  PHYS.ORG · 2 weeks
An international research team from ETH Zurich and French universities has studied genetic diversity among fish around the world for the first time. Their research produced a map that will serve as a tool... more
Researchers obtain the most complete genetic map of peppers  PHYS.ORG · 3 weeks
The most complete genetic map of peppers cultivated in Spain has been created by Valencia's Polytechnic University (UPV). The results make it possible to learn the smallest detail of this... more
The cosmic confusion of the microwave background  PHYS.ORG · 2 weeks
Roughly 380,000 years after the Big Bang, about 13.7 billion years ago, matter (mostly hydrogen) cooled enough for neutral atoms to form, and light was able to traverse space freely. That light, the cosmic... more
Study shows beneficial effects of greenness around schools for children  NEWS MEDICAL · 3 weeks
Two separate studies looked at the effects that greenery has on our health – finding that the greener our surroundings, the better. more
Low-frequency lattice phonons in halide perovskites explain high defect tolerance toward electron-hole recombination  Science Magazine · 1 week
Low-cost solution-based synthesis of metal halide perovskites (MHPs) invariably introduces defects in the system, which could form Shockley-Read-Hall (SRH) electron-hole recombination centers... more
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