20 November 2014, 06:49 AM ET
A huge number of stars shine brightly in an amazing skywatcher photo of the Andromeda Galaxy.
20 November 2014, 06:45 AM ET
A mysterious object orbiting our black hole has not yet revealed its identity as a gas cloud or a star, and two groups with a history of competition are each hoping to solve the puzzle.
20 November 2014, 06:40 AM ET
The danger of an asteroid smacking into Earth is a clear and present hazard, underscored by the huge fireball and shattering explosion that occurred over Chelyabinsk, Russia, in February 2013.
19 November 2014, 10:09 PM ET
This dazzling space wallpaper from ESO’s La Silla Observatory in Chile shows the bright star cluster Messier 7.
19 November 2014, 04:01 PM ET
Immense star clusters in the nearby Fornax Dwarf spheroidal galaxy should have formed much in the same way as our Milky Way. But older stars – which are present in ‘our’ globular clusters – are not visible in the Fornax.
19 November 2014, 03:41 PM ET
A mysterious object previously thought to be an exploding star could actually be two black holes fused together in a galactic collision and ejected into space.
19 November 2014, 02:02 PM ET
The region appears to be covered by a gray-white blanket in the image, which was captured in infrared light Tuesday morning (Nov. 18) by the National Oceanic and Atmospheric Administration's (NOAA) GOES-East spacecraft.
19 November 2014, 01:55 PM ET
Read news, see photos and watch videos about the Rosetta mission's landing on Comet 67P/Churyumov-Gerasimenko scheduled for Nov. 12.
19 November 2014, 01:53 PM ET
Recently returned NASA astronaut Reid Wiseman talks to Space.com's @TariqJMalik about experiencing powerful atmospheric phenomena and his photography while aboard the International Space Station.
19 November 2014, 12:36 PM ET
Relive last week's thrilling comet landing tonight with a documentary about the historic space mission airing on PBS tonight (Nov. 19).
19 November 2014, 11:57 AM ET
The first probe ever to land on the surface of a comet performed some serious science before going into hibernation. Europe's Philae probe found organic molecules in the comet's atmosphere and discovered that the icy body's surface is as hard as ice.
19 November 2014, 11:22 AM ET
90 million light-years away, the Markarian 177 dwarf galaxy shows signs of having kicked its supermassive black hole out into a wide orbit.
19 November 2014, 10:49 AM ET
The newly announced Lunar Mission One plans to drill at least 65 feet underground at the moon's south pole in 2024, collecting samples that should shed light on the early days of the Earth and moon.
19 November 2014, 07:01 AM ET
A spooky new image shows a web of bright galaxies aligned in the largest structures ever discovered in the universe.
19 November 2014, 07:01 AM ET
Some space analysts wonder if "Object 2014-28E" could be part of an anti-satellite program — perhaps a revived version of the Cold War-era "Istrebitel Sputnikov" ("satellite killer") project.d
19 November 2014, 06:00 AM ET
Europe's Very Large Telescope in Chile reveals the axes of supermassive black holes billions of light years apart are aligned within the galactic filaments in which they reside.
19 November 2014, 12:30 AM ET
The NASA/ESA Hubble Space Telescope has snapped a striking space wallpaper of a multiple star system called XZ Tauri, its neighbour HL Tauri and several nearby young stellar objects.
18 November 2014, 11:18 PM ET
A new map reveals the most detailed picture yet of the surface features of the asteroid Vesta.
18 November 2014, 04:40 PM ET
Halloween is cool. A space age Halloween is even cooler. See our favorite space costume photos from Space.com readers from our 2014 space costume contest.
18 November 2014, 02:05 PM ET
It's likely that increased doses of solar power will allow the Philae comet lander's secondary battery to power up sufficiently to renew communications via the Rosetta spacecraft orbiting overhead, mission officials say.
18 November 2014, 01:51 PM ET
NASA's Orion spacecraft is designed to take humans deeper into space than ever before. Get the latest Orion news, videos and images here.
18 November 2014, 01:45 PM ET
NASA Osiris-REx mission plans to return samples from Asteroid Bennu in 2023. The space rock's amazing journey began in the ‘chaos of creation’ more than 4.7 billion years ago.
18 November 2014, 11:25 AM ET
A new map created by NASA researchers reveals that 556 fireball events — produced when small asteroids explode in Earth's atmosphere — occurred around the world between 1994 and 2013.
18 November 2014, 11:20 AM ET
New Horizons is scheduled to emerge from a 99-day hibernation on Dec. 6, then gear up for a six-month Pluto encounter that peaks with the first-ever close flyby of the mysterious dwarf planet on July 14, 2015.
18 November 2014, 06:38 AM ET
The mysterious substance that makes up most of the matter in the universe may be destroying neutron stars by turning them into black holes in the center of the Milky Way, new research suggests.
18 November 2014, 06:27 AM ET
A new laser instrument developed for the International Space Station is expected to generate incredible 3D maps of Earth's forests.
17 November 2014, 05:00 PM ET
Space station commander Barry Wilmore installed the 3D printer inside the orbiting lab's Microgravity Science Glovebox Monday. The machine and its software are in good operating condition, and the first test items will likely be printed sometime Monday.
17 November 2014, 04:30 PM ET
The last group of astronauts to repair the Hubble Space Telescope discusses its astronomical legacy.
17 November 2014, 03:30 PM ET
See photos of the new Hubble Space Telescope exhibit at the Intrepid Sea, Air & Space Museum.
17 November 2014, 03:04 PM ET
The first spacecraft to land on a comet has earned a stamp of approval in the UK. Mail delivered in England, Scotland, Wales, and Northern Ireland have been stamped with a postmark celebrating the historic landing by the Philae probe.
17 November 2014, 02:32 PM ET
Newly released photos by the Rosetta mothership show Philae's descent toward the comet and the probe's position shortly after its first bounce. The images span 30 minutes around Philae's initial touchdown.
17 November 2014, 02:18 PM ET
The Great Red Spot on Jupiter's face is secretly dull in color. But the swirling storm looks crimson thanks to something like a cosmic "sunburn." Gases in Jupiter's upper atmosphere turn reddish when they're hit with sunlight, scientists say.