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, 03:34 AM ET
Top vehicles from private spaceflight.
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, 11:35 PM ET
The smoky black silhouette in this gorgeous space wallpaper is part of a large, sparse cloud of partially ionized hydrogen — an HII region — known as Gum 15.
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, 03:09 PM ET
Adam Steltzner and the rest of the Mars Science Laboratory team eagerly anticipate the rover's landing on Mars in this exclusive clip from "Red Planet Rover". The show premieres on the Discovery Channel on Dec. 18th, 2014 at 10pm EST/PST.
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.
16 December 2014, 11:45 PM ET
This stunning dream like space wallpaper of the La Silla sunset was released Dec. 8, 2014.
16 December 2014, 10:58 PM ET
The two-year mission of the one-ton rover is to find out if Mars is, or was, capable of supporting life.
16 December 2014, 09:41 PM ET
Learn how stars form, how stars and constellations are named, what happens when stars like our sun evolve, and ultimately, die.
16 December 2014, 07:09 PM ET
COSMOS - A Spacetime Odyssey's presenter/co-writer talks about Stephen Hawking's black hole theory, known as "Hawking Radiation".
16 December 2014, 06:30 PM ET
NASA's Curiosity rover is continuing to help scientists piece together the mystery of how Mars lost its surface water over the course of billions of years.
16 December 2014, 06:22 PM ET
Space creates an important laboratory to fight against cancer on the ground.
16 December 2014, 04:22 PM ET
NASA's Voyager 1 spacecraft — the only object made by humans to leave the solar system — might still be caught in a tsunami-like shock wave that first hit the probe in February.
16 December 2014, 04:21 PM ET
Maxim Senin compiled over 15,000 photos taken on the evening of Dec. 12th into the early morning hours of Dec. 13th. Up to 5 meteor per minute could be seen even through the light pollution of the major U.S. city.
16 December 2014, 02:56 PM ET
16 December 2014, 02:50 PM ET
Although methane had been discovered before from space, NASA's Curiosity rover made the first in-situ discovery of rapid changes in methane concentration from the surface of Mars.
16 December 2014, 02:11 PM ET
These finding "strongly suggests that Mars is active" according to atmospheric scientist Sushil K. Atreya of the Mars Science Laboratory mission team as he breaks down possible sources of the methane on Mars.
16 December 2014, 02:08 PM ET
The Mars Science Laboratory's Tunable Laser Spectrometer (TLS) instrument was used to confirm the presence of methane on several occasions during the rovers' study of the Red Planet.
16 December 2014, 01:35 PM ET
NASA's Curiosity rover has recently made a surprising find on Mars that could help scientists get one step closer to figuring out if the Red Planet has ever supported life.
16 December 2014, 01:19 PM ET
The International Astronomical Union has announced a competition to name five craters on Mercury, and the winners will be announced next spring at the end of the MESSENGER spacecraft's mission.