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, 11:13 PM ET
Space art spans centuries, beginning with the very first imaginings of what details might lie at the ends of ever more powerful telescopes.
19 November 2014, 10:35 PM ET
The Orion Multipurpose Crew Vehicle is NASA's planned spacecraft to take astronauts into space beyond Earth orbit. The agency plans to run the first test flight of the spacecraft in December 2014, with crewed missions possibly following in the early 2020s
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, 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, 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.
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, 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, 01:45 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, 11:14 AM ET
The two nations are major sources of carbon dioxide emissions, warming Earth accelerating polar ice melt. Throw Europe into the mix and watch large swaths of CO2 swarming the northern hemisphere in winter months.
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.
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, 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.
17 November 2014, 11:20 AM ET
Rosetta is a spacecraft launched by the European Space Agency with a 10-year mission to rendezvous with a comet.
17 November 2014, 07:00 AM ET
Scientists may soon get a look at the universe's skeleton by taking a close look at light left over from the Big Bang, which can be used to reveal the presence of matter like stars, galaxies, and even larger structures in the universe.
16 November 2014, 09:50 AM ET
Alien life might flourish on an exotic kind of carbon dioxide, researchers say. This 'supercritical' carbon dioxide, which has features of both liquids and gases, could be key to extraterrestrial organisms much as water is to biology on Earth.
15 November 2014, 10:34 AM ET
In August 2014, ESA's Rosetta Spacecraft will rendezvous with Comet 67P/Churyumov-Gerasimenko and deploy the Philae lander. See photos from the Rosetta comet probe.
15 November 2014, 10:00 AM ET
Stargazers in the U.S. should look for meteors on Monday and Tuesday morning before dawn.
15 November 2014, 09:20 AM ET
The first spacecraft ever to land on a comet has fallen silent, entering a potentially long, cold sleep after running out of power. The European Space Agency's Philae lander has entered hibernation after 57 hours on Comet 67P/Churyumov–Gerasimenko.
14 November 2014, 12:32 PM ET
Europe's Philae lander is expected to drill into the surface of its comet for the first time today (Nov. 14), in spite of the fact that the probe could be running out of battery life,,European Space Agency officials said today (Nov. 14).
14 November 2014, 11:16 AM ET
Three hours after the Chandra X-Ray Telescope detected one of the largest flares ever observed originating from the Milky Way’s supermassive black hole, the IceCube Neutrino Observatory in Antartica detected a high-energy neutrino.
14 November 2014, 09:41 AM ET
The space telescope has returned many 'wonders' in its 25 years of service to humanity. On April 24, 1990 it launched aboard the space shuttle Discovery. Stay updated on twitter at #Hubble25.