20 December 2014, 12:00 PM ET
See photos and images of the biggest solar flares of 2014 in this SPACE.com gallery of photos by NASA spacecraft and solar astronomers.
20 December 2014, 11:49 AM ET
The sun fired off a massive solar flare late Friday (Dec. 19), after days of intense storms from our nearest star. The huge solar flare registered as an X1.8-class event, the most powerful type of flare possible, and was captured on camera by NASA's powe
20 December 2014, 03:22 AM ET
The technology of the future can't wait.
19 December 2014, 06:24 PM ET
19 December 2014, 05:22 PM ET
NASA's first Orion space capsule — which made its spaceflight debut at the beginning of this month — is back in Florida after more than a week in transit.
19 December 2014, 05:01 PM ET
On Oct. 31, 2014, the space tourism company Virgin Galactic suffered a serious accident during a SpaceShipTwo test flight, resulting in the loss of the spacecraft. One pilot died in the crash, while another suffered injuries. See our full coverage.
19 December 2014, 04:31 PM ET
The private spaceflight company SpaceX won't be flying a mission to the International Space Station until early 2015.SpaceX is now expected to launch its fifth official mission to the orbiting outpost under a contract with NASA on Jan. 6.
19 December 2014, 04:00 PM ET
The Andromeda galaxy appears to twinkle behind two stunning meteors in this skywatching image taken from Tobias Lookout near Kernville, California. Astrophotographer Casey James took this image on August 2nd, 2014.
19 December 2014, 02:30 PM ET
TV personality Stephen Colbert ended his final episode of Comedy Central's "Colbert Report" with a truly epic celebrity sing-along featuring more than a few space-themed surprises.
19 December 2014, 12:02 PM ET
An ambitious private space exploration project that aims to land a moon-drilling probe on the lunar surface by 2024 now has the money it needs, thanks to a crowdfunding effort that raised more than $1 million.
19 December 2014, 07:31 AM ET
Kip Thorne, the physicist who brought real science to the movie "Interstellar," has a history of coming up with ideas that sound straight out of science fiction. We've rounded up three of Thorne's most mind-bending theories — at least one of which may hav
19 December 2014, 12:09 AM ET
18 December 2014, 07:14 PM ET
A recent payload flight by commercial balloon spaceflight company World View Enterprises captured the amazing imagery. The company will be selling "first-class" capsule seats to fly at an altitude of 100,000 feet for an hour or two.
18 December 2014, 05:43 PM ET
This week the celestial clock marks two milestones: Saturn's move into the morning sky and the winter solstice. Here's how to see Saturn and the moon before dawn on Dec. 19, then the winter solstice on Dec. 21.
18 December 2014, 05:20 PM ET
The abstract and colorful works of Edward Belbruno have been shaped by his scientific career. Without art, he says, 'the science comes to a screeching halt.'
18 December 2014, 03:31 PM ET
The first-ever soft landing of a robotic probe the surface of a comet has just been named the top scientific breakthrough of 2014 by the journal Science.
18 December 2014, 01:56 PM ET
A NASA astronaut is getting ready to be the first American to spend a continuous year in space, and he is excited.
18 December 2014, 11:34 AM ET
The Indian Space Research Organisation (ISRO) launched its new Geostationary Satellite Launch Vehicle Mark III (GSLV Mk-III) carrying the Crew Module Atmospheric Re-entry Experiment (CARE) on Dec. 18, 2014 local time from Satish Dhawan Space Center.
18 December 2014, 11:32 AM ET
Kepler has spotted its first new alien planet since being hobbled by a malfunction in May 2013. The newly discovered world, called HIP 116454b, is a "super Earth" about 2.5 times larger than our home planet.
18 December 2014, 10:03 AM ET
NASA's Mars rover Curiosity has made some amazing recent discoveries on the Red Planet. The Discovery Channel documentary 'Red Planet Rover' will chronicle those finds tonight at 10 pm ET/PT.
18 December 2014, 09:30 AM ET
On Dec. 15th, 2014, the northern lights were "massive " and "fast-moving" according to photographer Chad Blakley (lightsoverlapland.com). He captured imagery from 3 different locations in Abisko National Park.
18 December 2014, 08:16 AM ET
Excerpt from the book "New Space Frontiers: Venturing into Earth Orbit and Beyond."
18 December 2014, 07:40 AM ET
Orbital has contracted with Russia’s Energomash to provide RD-181 engines to power the first stage of Orbital’s Antares rocket, replacing
18 December 2014, 07:39 AM ET
Private spaceflight will succeed, if history is any guide.
18 December 2014, 03:13 AM ET
Curiosity is leading, not "lacking."
18 December 2014, 03:10 AM ET
The Little Dipper is an asterism (star pattern) in the larger constellation of Ursa Minor, the Little Bear. The most famous star in the constellation is Polaris.
17 December 2014, 06:16 PM ET
NASA has postponed deciding whether to attempt to capture an entire asteroid, or just a piece of one, by 2025 until at least early 2015. Both options are feasible, a senior NASA official said Wednesday (Dec. 17).
17 December 2014, 04:30 PM ET
See photos of India's new Geostationary Satellite Launch Vehicle Mark-III rocket and the CARE crew capsule prototype in these photos from the Indian Space Research Organisation. The test launch is set for December 2014.
17 December 2014, 04:12 PM ET
Already running on fumes as its fuel reserves dwindled, Venus Express' most recent attempts at maintaining its altitude fell short.
17 December 2014, 03:50 PM ET
It's now approaching summer in the presumed location of Europe's Philae lander on a comet, so the washing-machine-size probecould soon access enough energy to open its eyes and start working again, Rosetta mission scientists said.
17 December 2014, 10:37 AM ET
Imagery from the NASA/NOAA Suomi NPP satellite show lighting patterns change on holidays around the world. Energy usage varies across across different cultural and socioeconomic areas.
17 December 2014, 07:00 AM ET
The discovery is not evidence that life exists, or has ever existed, on Mars, researchers stressed. But it does mark the first time that organics have been confirmed inside Red Planet rocks, and it checks off a chief goal of the rover team.
17 December 2014, 06:00 AM ET
New imagery captured by the La Silla Observatory MPG/ESO 2.2-metre telescope of of star cluster Messier 47, shows a star cluster where only ~50 stars can be seen in an area 12 light-year across area.
17 December 2014, 06:00 AM ET
A new image of a well-known star cluster in the southern sky, shows off hot blue stars sparkling amid red giants.
17 December 2014, 06:00 AM ET
City lights across the United States blaze 20 to 50 percent more brightly in December than they do the rest of the year, and some cities in the Middle East brighten by more than 50 percent during the Muslim holy month of Ramadan, researchers said.
17 December 2014, 12:05 AM ET
These images show that many cities around the world shine more brightly during the holiday season — December in the United States, and the Muslim holy month of Ramadan in the Middle East — than they do during the rest of the year.