Science & Astronomy Archive
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.
14 November 2014, 07:30 AM ET
When the Philae attempted touchdown on comet 67P, it bounced off with nearly enough force to drift away into space.
14 November 2014, 07:00 AM ET
Europe's Rosetta mission pulled off the first-ever soft landing on a comet Wednesday thanks to a lot of great engineering and hard work — along with a healthy dose of luck, team members said.
14 November 2014, 06:56 AM ET
Researchers have been testing out "starshade" technology, which could help astronomers find and characterize rocky, Earthlike alien worlds by blocking the overpowering light of their parent stars.
14 November 2014, 12:59 AM ET
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.
13 November 2014, 08:04 PM ET
Uranus is finally having some summer storms, seven years after the planet reached its closest approach to the sun, leaving scientists wondering why the massive storms are so late.
13 November 2014, 11:41 AM ET
The European Space Agency's Philae lander bounced not once but twice before completing its historic comet landing on Nov. 12, 2014. See the first photos from Comet 67P's surface and a status update on the Rosetta mission.
13 November 2014, 09:00 AM ET
The origins of organic matter found by Mars lander missions have long been debated, but a new study suggests a way to find out whether these chemicals of life came from the Red Planet or elsewhere.
13 November 2014, 07:00 AM ET
Europe's Philae lander is already gathering a wealth of data about Comet 67P/Churyumov-Gerasimenko after touching down on the icy object Wednesday morning (Nov. 12).
12 November 2014, 04:27 PM ET
Europe's Philae lander made history Wednesday, touching down on Comet 67P/Churyumov-Gerasimenko. But the probe's anchoring harpoons didn't fire as planned, and Philae may have bounced off the surface before settling back again.
12 November 2014, 04:20 PM ET
During a nail-biting drop onto the surface of a comet, the European Space Agency's Philae spacecraft snapped a stunning photo of its icy target. See the close up view of Comet 67P/Churyumov–Gerasimenko.
12 November 2014, 04:08 PM ET
Scientists and space fans aren't the only ones excited by the unprecedented comet landing performed by the European Space Agency today (Nov. 12). The folks behind Google's whimsical doodles are joining the celebration, too.
12 November 2014, 12:32 PM ET
The mysterious dark matter that makes up most of the matter in the universe may behave more like wavy fluids than solid particles, helping to explain the shapes of galaxies, a new study suggests.
12 November 2014, 11:13 AM ET
For the first time in history, a spacecraft built on Earth has softly landed on the face of a comet speeding through deep space.
12 November 2014, 04:03 AM ET
If all went according to plan, the European Space Agency's Philae lander separated from its Rosetta mothership at 3:35 a.m. EST Wednesday, beginning a long, slow journey down to the surface of Comet 67P/Churyumov-Gerasimenko.