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31 January 2015, 07:00 AM ET
The gorgeous green glow of the northern lights served as a backdrop for bright white rocket tails in a set of amazing new photos. Five rockets launched from Poker Flat Research Range in Alaska this week carried experiments aimed at studying the science be
31 January 2015, 07:00 AM ET
NASA is due to launch its SMAP satellite designed to measure moisture in Earth's soils at 9:20 a.m. EST (1420 GMT) on Saturday (Jan. 31) from California. You can watch live coverage of the launch starting at 7 a.m. EST (1200 GMT).
30 January 2015, 04:56 PM ET
Juno, the third largest asteroid in the night sky, is currently visible with binoculars, if you know when and where to look. Here's how to use the bright planet Jupiter and two constellations as your guide.
30 January 2015, 04:32 PM ET
The Dragon spacecraft first reached the International Space Station in 2012.
30 January 2015, 04:17 PM ET
When is the best time to observe the moon with a telescope? Most astronomy neophytes might say it is when it's at full phase, but that’s probably the worst time to look at it! The best time to see the moon is during its first and last quarter phases.
30 January 2015, 04:11 PM ET
Pluto, the most famous dwarf planet, lost its planet status in 2006. Learn more about dwarf planets of the solar system here.
30 January 2015, 03:46 PM ET
The signal that scientists with the BICEP2 experiment believed to be a sign of inflation in the early universe was actually light from interstellar dust. Today, scientists with BICEP2 and the Planck satellite announced their conclusion.
30 January 2015, 02:00 PM ET
Two American spaceflight companies are quietly competing in a space race for the new era. SpaceX and Boeing are vying to become the first private firms to fly astronauts to the International Space Station for NASA sometime in 2017.
30 January 2015, 12:30 PM ET
When more than 100 million people on Earth tune in for the Super Bowl kick-off this Sunday, NASA's astronauts in space will probably be sleeping. But they might wake up to catch the end of the game live.
30 January 2015, 12:20 PM ET
Seven thousand year-old rock paintings in the Sahara desert have, somewhat serendipitously, helped uncover evidence of ancient lake beds.
30 January 2015, 12:01 PM ET
NASA has launched several sounding rockets for scientific research in 2015. See the spectacular photos of these small rocket launches here.
30 January 2015, 12:00 PM ET
With 4km-long lasers, the Laser Interferometer Gravitational-wave Observatories (LIGO) may detect cataclysmic events far from Earth. This film shows how scientists bridge the gap between the special language of astrophysics and bright young students.
30 January 2015, 11:32 AM ET
New images of Messier 51 (M51), SNR E0519-69.0, MSH 11-62, Cygnus A and RCW 86 have been released for this United Nations-declared event; each a composite of varying Space-based telescopes, including Chandra X-ray, Hubble and Spitzer Space Telescopes
30 January 2015, 11:02 AM ET
Europe is set to send its first 3D printer into the final frontier this year to experiment with zero-gravity manufacturing on long space voyages.
30 January 2015, 10:20 AM ET
If you have ever desired to take a "space walk," Adidas has the sneakers for you. The German shoe outfitter is set to launch two new pairs of sports trainers featuring the look and feel of NASA's historic spacesuits.
30 January 2015, 07:30 AM ET
Frigid "mini-Neptunes" that take shape relatively far from red dwarf stars could be dragged inward over time, eventually losing most of their thick, gaseous envelopes and ending up in spots warm enough for life as we know it to survive.
30 January 2015, 07:20 AM ET
Scientists on the Curiosity team have brought into question a recent report about potential trace fossils in the Mars rover's images of the Gillespie rock outcrop.
30 January 2015, 07:00 AM ET
Comet Lovejoy came within 120 million miles (193 million kilometers) of the sun early Friday. A bright and waxing moon makes spotting Lovejoy tough at the moment, but good viewing opportunities should open up in a week or so.
29 January 2015, 08:30 PM ET
Falcon 9 lifts SpaceX's Dragon spacecraft to the ISS.
29 January 2015, 08:09 PM ET
Vesta is the second largest asteroid in the solar system.
29 January 2015, 04:43 PM ET
ETs may be tiny, but we'll find them.
29 January 2015, 02:01 PM ET
Bubbles of radioactive metal may have punched holes in the heart of Cassiopeia A, a nearby supernova, according to new observations. Studying the bubbly interior could help scientists understand why supernovas pop their corks in the first place, and what
29 January 2015, 01:07 PM ET
A pairing of Venus and Mars will grace the western sky at sunset throughout February 2015. On Friday the 20th, the crescent moon joins the band. Orion and Canis Major take the stage in the southern sky. Watch for Saturn and Jupiter too.
29 January 2015, 11:00 AM ET
A Hubble Space Telescope image of NGC 7714 and its companion NGC 7715 reveals dramatic interaction setting off bursts of star formation. This moment of the dance happened 100 million light-years from Earth.
29 January 2015, 09:53 AM ET
The launch of NASA's newest Earth-gazing satellite will have to wait another day due to high winds that made launch too risky Thursday (Jan. 29).
29 January 2015, 06:30 AM ET
The asteroid-mining firm Deep Space Industries (DSI) is investigating the feasibility of injecting microbes into space rocks far from Earth, to get a jump on processing their valuable resources.
29 January 2015, 06:30 AM ET
The surface of a comet flying through deep space is pockmarked with weird features that are keeping curious scientists working with Europe's Rosetta comet mission busy.
29 January 2015, 06:30 AM ET
NASA is scheduled to launch its next Earth-observing satellite today (Jan. 29) from California, and you can watch the liftoff live online.
29 January 2015, 06:30 AM ET
Comet Lovejoy will make its closest approach to the sun on Jan. 30. To mark the occasion, the Slooh Community Observatory is hosting a live webcast Thursday, beginning at 5:30 p.m. EST (2030 GMT). Watch it here at Space.com.
28 January 2015, 08:23 PM ET
The Opportunity rover is NASA's longest rover mission.
28 January 2015, 07:53 PM ET
Variable stars change brightness. But there are many reasons why.
28 January 2015, 06:20 PM ET
The stars and constellations seen from Mars would be similar to those seen from Earth, but the Red Planet's two moons would be quite a sight for Martian explorers.
28 January 2015, 06:07 PM ET
From movies based on best-selling books to the newest "Star Wars" installment, 2015 should be a big year for movies geared toward space fans.
28 January 2015, 04:40 PM ET
On Jan. 22, operators on the ground used two robotic arms to install NASA's Cloud Aerosol Transport System (CATS) instrument on the exterior of the International Space Station.
28 January 2015, 04:38 PM ET
SMAP, or the Soil Moisture Active Passive satellite, will measure groundwater content and frozen/thawed state, all over the world every three days.
28 January 2015, 04:25 PM ET
Space Station crew member Terry Virts (NASA) snapped imagery of the storm that slammed the Northeast United States during a night pass on Jan. 28th, 2015. The ISS was orbiting at an attitude of 260 miles during the fly-over.