06 February 2014, 04:25 PM ET
See spectacular views of Earth from space by astronauts and spacecraft across the solar system.
06 February 2014, 03:52 PM ET
Though winter has reached its midpoint and daylight is increasing, the thermometer appears to be reluctant to respond to the increasing solar altitude. Here's why.
06 February 2014, 03:50 PM ET
The Mars Science Laboratory captured imagery of the brightest object in its twilight sky, Earth and its orbiting Moon. The rover's Mast Camera imaged them on January 31st, 2014, its 529th day on the Red Planet.
06 February 2014, 03:38 PM ET
NASA's Mars rover Curiosity has snapped its first photo of Earth from the surface of the Red Planet, an amazing image that also includes the moon. See the photos here.
06 February 2014, 03:14 PM ET
On Tuesday at precisely 12:55 p.m. EST (17:55 UTC), Mars rover Curiosity successfully breached the crest of the dune in “Dingo Gap.” The 1 meter-high dune stands between the rover and a smoother route to the mission’s next science target
06 February 2014, 02:01 PM ET
"Dynamic Earth," a video created by staffers at NASA's Scientific Visualization Studio and their colleagues, took first prize in the 2013 International Science and Engineering Visualization Challenge.
06 February 2014, 11:28 AM ET
Ever wondered how astronauts work out in weightlessness? It's time to find out. NASA is hosting a Google Hangout with International Space Station astronauts and fitness experts today (Feb. 6).
06 February 2014, 10:00 AM ET
A time-lapse photo shows an Atlas 5 rocket streaking into the heavens carrying NASA's Tracking and Data Relay Satellite (TDRS-L) into Earth orbit from Kennedy Space Center at Cape Canaveral, Florida, on Jan. 23, 2014.
06 February 2014, 09:49 AM ET
Astronaut Mike Hopkins is using the Advanced Resistive Exercise Device aboard the International Space Station to perform 100 Pull Ups, Push Ups, Sit Ups and Air Squats.
06 February 2014, 09:27 AM ET
The planets location in the nightsky are pinpointed (you'll need binoculars or a telescope to spot Uranus and Neptune). Also, Comet's Lovejoy, Siding Spring and Linear can be viewed.
06 February 2014, 09:00 AM ET
See images of the ringed planet from NASA's Cassini spacecraft in orbit around Saturn.
06 February 2014, 08:42 AM ET
See spectacular photos of rocket launches blasting off for Earth orbit and beyond in 2014 in this Space.com gallery of the year's space missions from around the world.
06 February 2014, 06:01 AM ET
At Mount Hamilton, on Fremont Peak and in Sunnyvale, Calif., three sets of mechanical eyes watch the heavens for tiny streaks of light. The cameras are part of a project to monitor the night sky for meteors.
06 February 2014, 06:00 AM ET
The 2014 Winter Olympics are about to begin in Sochi, Russia, and astronauts will be watching the games from their vantage point high above Earth on the International Space Station.
06 February 2014, 12:33 AM ET
NASA's Mars Reconnaissance Orbiter photographed the crater on Nov. 19, 2013. Scientists know the feature formed sometime between July 2010 and May 2012, because other MRO observations show big changes in the area between those two dates.
05 February 2014, 05:31 PM ET
The Progress 54 made first contact with the International Space Station at 5:22pm EST. It launched from the Baikonur Cosmodrome in Kazakhstan at 11:23am. It is carrying 2.8 tons of food, fuel and supplies for the station crew.
05 February 2014, 05:30 PM ET
An unmanned Russian cargo spacecraft docked with the International Space Station today (Feb. 5) to deliver supplies to the crewmembers manning the space laboratory after a quick trip through space.
05 February 2014, 04:35 PM ET
TV-viewers around the world will be treated to an unprecedented live tour of the $100 billion International Space Station next month when the National Geographic Channel airs a two-hour special from the astronauts' orbiting outpost.
05 February 2014, 04:30 PM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
05 February 2014, 04:17 PM ET
The $8.8 billion James Webb Space Telescope, now in what is expected to be the most expensive year of its protracted development, could find itself back in trouble if Congress cannot keep the money coming.
05 February 2014, 02:24 PM ET
Branson and a number of other Virgin Galactic customers took to the skies recently for a training flight aboard the 'vomit comet' — an airplane that achieves brief periods of microgravity via parabolic maneuvers.
05 February 2014, 01:01 PM ET
Black holes acting as companions to early stars may have taken more time to raise the temperature of the ancient universe than previously thought, a new study suggests.
05 February 2014, 01:00 PM ET
Astronomers have discovered an alien planet that wobbles at such a dizzying rate that its seasons must fluctuate wildly. The faraway world, which is 2,300 light-years away, was spied by NASA's planet-hunting Kepler space telescope.
05 February 2014, 11:36 AM ET
An unmanned cargo ship carrying needed supplies launched on a quick trip to the International Space Station today (Feb. 5).
05 February 2014, 11:34 AM ET
The Progress 54 cargo craft launched from the Baikonur Cosmodrome in Kazakhstan at 11:23am and is set to arrive at 4:45pm. It is carrying 2.8 tons of food, fuel and supplies for the station crew.
05 February 2014, 11:23 AM ET
See launch and docking photos for Russia's unmanned Progress 54 spacecraft, which launched Feb. 5, 2014 carrying 2.5 tons of supplies for Expedition 38 astronauts on the International Space Station.
05 February 2014, 10:53 AM ET
NASA's OSIRIS-REx mission will rendezvous with Asteroid Bennu in 2018. It carries a Touch-And-Go Sample Acquisition Mechanism (TAGSAM) that will collect samples of the asteroid from the end of a robotic arm.
05 February 2014, 10:17 AM ET
A new Texas-size tribute to NASA's Apollo manned moon landings may give new meaning to the phrase "giant leap."
05 February 2014, 07:17 AM ET
A robotic Russian cargo ship will make an express delivery to the International Space Station today (Feb. 5) and you can watch it launch online. Liftoff is at 11:23 a.m. EST. Here's how to watch it live.
05 February 2014, 06:01 AM ET
The innards of an asteroid in space have been measured for the first time. Astronomers using a European Southern Observatory telescope have made precise measurements of Asteroid Itokawa's density.
04 February 2014, 04:38 PM ET
Bill Nye the Science Guy is set to defend evolution tonight (Feb. 4) in a debate with the founder of Kentucky's Creation Museum, Ken Ham.
04 February 2014, 04:30 PM ET
NASA's flagship space telescope has passed a major milestone: The final three mirrors of the James Webb Space Telescope (JWST) have arrived at NASA's Goddard Spaceflight Center in Greenbelt, Md.