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Atlas V Rocket to Launch US Spy Satellite Overnight Tonight: Watch Live
SPACE.COM An American spy satellite will launch on a clandestine mission early Friday (Sept. 22), and you can follow the spaceflight action live. Liftoff is... 1 hour
Watch Live Tonight! Atlas V Rocket Launching Spy Satellite @ 10:38 pm PT
SPACE.COM A United Launch Alliance Atlas V rocket will launch the NROL-42 satellite for the U.S. National Reconnaissance Office late tonight (Sept. 21)... 2 hours
2 Monster Black Holes Spotted at Galaxy's Heart
SPACE.COM Not one but two gigantic black holes lurk at the heart of the distant spiral galaxy NGC 7674, a new study suggests. 5 hours
Stratolaunch's Giant Rocket-Launching Aircraft Passes Engine Test
SPACE.COM Stratolaunch announced Sept. 19 that the company has achieved another milestone in the development of a unique giant aircraft that will serve as a launch platform. 5 hours
New Horizons Probe Wakes from 5-Month Slumber
SPACE.COM NASA's New Horizons spacecraft is zooming through the outer solar system with its eyes open once again. 5 hours
Sen. Jim Bridenstine Outlines Challenges He Foresees for NASA
SPACE.COM The nominee to be the next administrator of NASA says that he believes the agency's top challenges include maintaining "consistency and constancy of purpose" that can support long-term plans, while... 5 hours
Asteroids: Fun Facts and Information About Asteroids
SPACE.COM Learn about the size, shape and composition of asteroids as well as their history, naming conventions, and plans to mine asteroids in the future. 16 hours
Hurricane Maria Slams Puerto Rico's Arecibo Observatory
SPACE.COM Now that the worst of Hurricane Maria has passed, Puerto Rico's Arecibo Observatory is preparing to start surveying the damage. 18 hours
Arecibo Observatory: Watching for Asteroids, Waiting for E.T.
SPACE.COM Arecibo Observatory has been used to send a SETI message as well as for scanning the skies for approaching asteroids. 19 hours
The Arecibo Observatory: Puerto Rico's Giant Radio Telescope in Photos
SPACE.COM The Arecibo Observatory is an icon of astronomy. The giant radio telescope in Puerto Rico is the second-largest of its kind on Earth. See photos of Arecibo over... 20 hours
'The Farthest': Journey into Interstellar Space with a Free Screening and Panel Talk
SPACE.COM A free screening and panel Thursday evening (Sept. 21) will follow the Voyager probes' journey in "The Farthest," then follow the film... 20 hours
'Star Trek: Discovery' Premiere Unites Starship Casts Both New and Old
SPACE.COM The "Star Trek: Discovery" premiere brought together the cast and creators of the show, as well as some of the stars of past "Star Trek" series. 21 hours
Asteroid Odd Couple: Spitting Space-Rock Duo Is Truly Bizarre
SPACE.COM A pair of asteroids between Mars and Jupiter are unlike anything scientists have previously observed in that region. The peculiar duo may provide new insights into how these rocky bodies... 21 hours
Mars May Have a Porous Crust, Gravity Map Suggests
SPACE.COM New evidence shows that the Red Planet's outer crust, which is about 30 miles (50 kilometers) thick, is porous and not as dense as previously thought. 24 hours
Wave to Asteroid Probe OSIRIS-REx on Its Flyby, and Snap a Photo for NASA
SPACE.COM NASA's OSIRIS-REx spacecraft will make a close flyby of Earth before shooting out toward the asteroid Bennu, and skywatchers will... 1 day
The 10 Best 'Star Trek' Episodes Ever
SPACE.COM ‘Star Trek’ first aired more than 50 years ago, and with five network live-action TV series to choose from, this was a tough list to make. 1 day
OSIRIS-REx: NASA's Asteroid Sample-Return Mission in Pictures
SPACE.COM NASA's OSIRIS-REx asteroid mission launched in 2016 to collect samples of the asteroid Bennu and return them to Earth. See photos from the mission here. 1 day
E.T. Art? Crop Circles Look 'Alien' from Space
SPACE.COM Seen from space, these discs look more like modern art than potatoes. 1 day
'Extremely Dangerous' Hurricane Maria Makes Landfall in Puerto Rico
SPACE.COM The "extremely dangerous" Category 4 Hurricane Maria made landfall in Puerto Rico this morning, with sustained winds raging at up to 155 mph (250 k/h), according to the National Hurricane... 1 day
Stellar Duo's Spectacular Explosive Dance Illuminated Via 3D-Printed Model
SPACE.COM To understand the explosive dance between two stars in a close orbit, researchers turned to a 3D model — and even 3D printed it to get a more intuitive view. 1 day
Space Lung Tissue Experiment Returns to Earth
SPACE.COM Lung tissue samples grown on the International Space Station, which have just arrived back on Earth, could help researchers understand how space travel affects breathing. 1 day
Glowing Red Eye: Cosmic Bubble Surrounds Odd 'Carbon Star'
SPACE.COM Gorgeous new imagery shows the enormous, glowing bubble that a strange, dying red star has blown around itself. 1 day
Planet Venus Facts: A Hot, Hellish & Volcanic Planet
SPACE.COM Venus is the brightest planet in our solar system, has a hellish atmosphere, and is covered in volcanoes. Learn more about planet Venus here. 2 days
Halley's Comet: Facts About the Most Famous Comet
SPACE.COM The comet's frequent recurrence has played a part in historical events for millennia. 2 days
Enhanced NASA Images Show Potential for Buried Ice Near the Martian Equator
SPACE.COM Improved observations from NASA’s Mars Odyssey spacecraft show an abundance of hydrogen, which is a sign of potential watery deposits. 2 days
Zero-G Zoo? Nope, Just an Astronaut Making Balloon Animals in Space
SPACE.COM Have you ever seen a giraffe floating in zero-g? 2 days
Fun in Zero-G: Weightless Photos from Earth and Space
SPACE.COM See amazing, and sometimes hilarious, photos of fun in weightlessness in these zero gravity photos on airplanes and spacecraft. 2 days
Virgin Orbit Still Aims to Fly Twice a Month in 2020 Despite Test Delays
SPACE.COM Virgin Orbit says it will perform 24 missions with its LauncherOne small-satellite booster in 2020 despite pushing initial test flights... 2 days
Space Act Agreement to Support Private Space Telescope Project
SPACE.COM NASA has signed a Space Act Agreement with a private organization currently raising funds for studies of a space telescope designed to look for habitable planets around a nearby star. 2 days
In Photos: Hurricane Maria Seen from Space
SPACE.COM Hurricane Maria peaked as a massive Category 5 storm as it rolled across the Caribbean in September 2017. See photos of Hurricane Maria from space by satellites in our gallery here. 2 days
Retro Alien 'Field Guide' Profiles 'Star Trek: The Next Generation' Creatures
SPACE.COM "Star Trek" fans will get a great nostalgia kick from a new book that covers every alien species featured in "The Next Generation" (TNG), from Acamarians... 2 days
Satellites Tracking Powerful Hurricane Maria From Space
SPACE.COM A number of satellites are keeping tabs on Hurricane Maria as the dangerous storm churns its way through the Caribbean. 2 days
Hurricane Maria: See the Latest Videos from Space
SPACE.COM NOAA satellites have been capturing imagery of the storm since it was developing in the Atlantic Ocean. 2 days
Watch Hurricane Maria in Action in These NASA and NOAA Gifs
SPACE.COM Satellites operated by NASA and the National Oceanic and Atmospheric Administration (NOAA) are tracking Hurricane Maria from space you can see some of those observations below,... 2 days
Cold World, Hot Topic: Can Microbes Survive on Mars?
SPACE.COM Scientists are working to determine if microbes can survive on Mars — and if so, what the best habitats on the Red Planet may be. 2 days
Jaw-Dropping Jupiter: Juno Probe Snaps Dramatic Up-Close Views of Planet
SPACE.COM New photos by NASA's Juno spacecraft capture the solar system's largest planet in all its complex glory. 2 days
Curiosity Rover Climbing Steep Martian Ridge (Photos)
SPACE.COM Curiosity began climbing Vera Rubin Ridge in early September. The rover's handlers want Curiosity to study the ridge's many layers all the way to the top. 2 days
Planet Saturn: Facts About Saturn's Rings, Moons & Size
SPACE.COM Learn about the physical characteristics of Saturn and its famous rings, what we know about Saturn’s moons and Saturn’s roots in Greek mythology. 3 days
Planet Jupiter: Facts About Its Size, Moons and Red Spot
SPACE.COM Jupiter is the largest planet in our solar system, and is known for its many moons, its dangerous radiation belt and its iconic Great Red Spot. 3 days
Arecibo Observatory Closes as Hurricane Maria Threatens Puerto Rico
SPACE.COM The Arecibo Observatory in Puerto Rico will cease observations through Thursday (Sept. 21) and keep its visitor's center closed through Sept. 28, due to the impending arrival of Hurricane Maria. 3 days
Human-Caused Climate Change Could Doom Coastal Cities, Neil Tyson Says
SPACE.COM The United States "might not be able to recover" from climate change if extreme weather events and flooding continue to swamp the country's largest coastal cities, astrophysicist Neil... 3 days
Spectacular Saturn Images by 'Amateurs' Will Make Your Jaw Drop
SPACE.COM These amazing images of Saturn were created by enthusiasts from the public data available from the Cassini spacecraft. 3 days
Eulogy for Cassini at Saturn
SPACE.COM NASA’s Cassini spacecraft, which ended its mission to Saturn on Sept 15, reminded one writer about her immigrant mother. 3 days
Fossilized Cosmic Dust Found in the Iconic White Cliffs of Dover
SPACE.COM Micrometeorite fossils embedded in the cliffs could help explain events that took place as many as 98 million years ago. 3 days
The Moon Blocks 3 Planets, Star Today
SPACE.COM Earth's nearest neighbor covered up Venus and the bright star Regulus in the sky this morning, and will swallow up Mars and Mercury this evening. The moon hasn't "occulted" three planets in a day... 3 days
Mock Mars Crew Emerges from Dome in Hawaii After 8 Months of Isolation
SPACE.COM After spending eight months simulating life on Mars on the slopes of Mauna Loa, Hawaii, six "astronauts" emerged from their habitat on... 3 days
In Photos: 8 Months on 'Mars' with the HI-SEAS Mission V Crew
SPACE.COM Six "astronauts" spent eight months in the HI-SEAS mock Mars habitat to simulate life on the Red Planet. See photos from their mock Mars... 3 days
The Asteroid Belt May Be a 'Treasure Trove' of Planetary Building Blocks
SPACE.COM The asteroid belt may have originally started out empty, later becoming a "cosmic refugee camp" taking on leftovers of planetary formation from across the... 3 days
'Turtles' On a Really High Post: NASA's New Astronauts Get Their Nickname
SPACE.COM What do you call a group of new astronauts who are a tad green around the collar, a bit shell-shocked at being chosen and... 3 days
Northrop Grumman to Acquire Orbital ATK
SPACE.COM Northrop Grumman will acquire Orbital ATK in a $9.2 billion deal the companies announced Sept. 18. 3 days
Neurohistology: how whole slide scanning impacts workflow
They're coming for our jobs, but can giant fighting robots save TV?
They're coming for our jobs, but can giant fighting robots save TV?
They're coming for our jobs, but can giant fighting robots save TV?
The birdlife of an unforgiving paradise
Intense storms provide the first test of powerful new hurricane forecast tools
Turning the evolutionary clock back on a light-sensitive protein
Researchers take tips from 'Twister' to chase elusive storm data
Aligning the primary mirror segments of NASA's James Webb Space Telescope with light
Mattis sees need for new space programs