space
Science & Astronomy Archive
20 February 2014, 01:48 PM ET
Mars' upper atmosphere is swarming with atoms, ions and molecules actively exiting the planet's sphere of influence. That's why NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft is headed there: to discover why.
20 February 2014, 07:00 AM ET
The European Space Agency has selected a space telescope called PLATO — short for Planetary Transits and Oscillations of stars — as its third medium-class science mission. The observatory is slated to blast off in 2024.
20 February 2014, 07:00 AM ET
Officials with the Slooh Space Camera are urging the public to help find the asteroid 2000 EM26, which hasn't been seen since March 14, 2000, just nine days after its discovery.
20 February 2014, 01:02 AM ET
You don't have to grind your own lenses to build your own telescope.
19 February 2014, 03:45 PM ET
NASA's Mars rover Curiosity rolled past 5 kilometers on the Red Planet last week, and many people who work at the space agency's Jet Propulsion Laboratory went on a 5K run to celebrate.
19 February 2014, 03:10 PM ET
NASA has set up a "rapid response system" to pick the best candidates for its ambitious asteroid-capture mission, which aims to haul a near-Earth object into a stable orbit around the moon.
19 February 2014, 03:07 PM ET
This stunning space wallpaper is the first map of radioactivity in a supernova remnant, the blown-out bits and pieces of a massive star that exploded.
19 February 2014, 02:28 PM ET
The retired Earth-watching satellite Landsat 5 may have quit taking pictures of planet, but it’s apparently not finished posing in them.
19 February 2014, 01:52 PM ET
Astronomers using data from NASA's Rossi X-ray Timing Explorer (RXTE) have accounted for a dozen instances of X-ray signals diminished by gas clouds. Scientists have surmised that the clouds can average 4 billion miles across and 2X Earth's mass.
19 February 2014, 01:01 PM ET
The devastating, explosive deaths of stars appear to be lopsided cosmic conflagrations, scientists say. The new findingsmay be a clue into what exactly happens in the hearts of stars as they explode as supernovas.
19 February 2014, 11:44 AM ET
In this space wallpaper of a dune field on Mars in a large crater near Mawrth Vallis, some of the dunes appear to be in a V-shaped formation. For dune fields, the spacing of individual dunes is a function of sand supply, wind speed, and topography.
19 February 2014, 06:00 AM ET
Bright star cluster M7 (NGC 6475, the ‘Ptolemy Cluster') appears near the tail of the Constellation Scorpius. This new image from the ESO's La Silla Observatory features these stars, chemically similar to our Sun. Celestial soundtrack by 'Super 400'.
19 February 2014, 06:00 AM ET
A new image of M7 shows stars shining like diamonds in the tail of Scorpius. The star cluster is about 200 million years old and a part of its population are expected to explode as supernovas.
18 February 2014, 04:17 PM ET
The Mars Science Laboratory recently crossed a sand dune called Dingo Gap, leaving behind a terrain full of sharp, well cemented rocks on its way past 5,000 meters traveled on the martian surface.
18 February 2014, 03:37 PM ET
Observations by NASA's Hubble Space Telescope reveal that the central part of the Large Magellanic Cloud galaxy completes one rotation every 250 million years — the same time it takes the sun finish a lap around the core of our own Milky Way.
18 February 2014, 07:01 AM ET
Astronomers studying the remnants of a well-known stellar explosion discovered a blisteringly fast shock wave that is rushing inward at 1,000 times the speed of sound, lighting up what remains of the powerful cosmic explosion.
17 February 2014, 06:40 AM ET
A study of teeny-tiny meteorite fragments revealed that two essential components of life on Earth as we know it, could have migrated to our planet on space dust.
16 February 2014, 06:50 AM ET
The space agency's Lunar Atmosphere and Dust Environment Explorer spacecraft (called LADEE for short) sent photos of the moon — released on Feb. 13 — back to ground controllers on Earth earlier this month. The new images show stars and the lunar surface.
16 February 2014, 06:50 AM ET
What was your favorite space news story of the last week?
15 February 2014, 08:20 AM ET
An asteroid the size of three football fields is set to make a close brush of Earth on Monday (Feb. 17), and you can watch the flyby live in a webcast. Near-Earth asteroid 2000 EM26 poses no threat of actually hitting Earth, but the online Slooh Space Cam
15 February 2014, 07:59 AM ET
From stunning images of a massive sunspot to a rare sight of Venus during the day, don't miss these spectacular night sky images by stargazers and Space.com readers.
15 February 2014, 07:56 AM ET
From the first map of Jupiter's giant moon Ganymede, to shining gigantic black hole jets, don't miss these amazing space images of the week for Feb. 15, 2014.
15 February 2014, 12:41 AM ET
On Feb. 15, 2013, a 65-foot-wide asteroid detonated in the skies over the Russian city of Chelyabinsk, causing millions of dollars of damage and injuring 1,500 people. The dramatic event served as a wake-up call to the risk posed by space rocks.
14 February 2014, 05:49 PM ET
NASA has solved the mystery of the strange 'jelly doughnut' rock on Mars. The space agency's Opportunity rover spotted an odd Martian rock that looked like a doughnut on Jan. 8, however, four days before, the rock wasn't there at all.
14 February 2014, 12:40 PM ET
A European spacecraft scheduled to launch toward the sun in 2017 will be shielded by a paint once used in prehistoric cave art.
14 February 2014, 12:23 PM ET
Even though it was under construction, the International Space Station has been performing groundbreaking research over the past ten years. A recent ten year extension means the ISS will have another decade to do research in a number of fields.
14 February 2014, 10:12 AM ET
NASA's Cold Atom Laboratory utilizes a magnetic trap that confines particles, allowing them to cool to temperatures just barely above absolute zero as seen in this space wallpaper.
14 February 2014, 07:01 AM ET
Pretty much any asteroid that poses a threat to Earth can be blasted out of the heavens using a nuclear bomb, even with warning times of a week or less, say a team of scientists who have been developing the idea.
14 February 2014, 07:00 AM ET
When NASA's Cold Atom Lab reaches the International Space Station in 2016, it will create temperatures one ten billionth of a degree above absolute zero, allowing researchers to study the strange behavior of quantum mechanics.
13 February 2014, 04:53 PM ET
The $8 million PandaX (Particle and Astrophysical Xenon) dark-matter experiment — which lies 7,874 feet (2,400 meters) underground, inside a mountain made of marble — will be up and running early this year.
13 February 2014, 02:43 PM ET
The massive storm system bringing miserable weather to the eastern United States can be seen blanketing the region in pictures from space. NOAA's GOES-13 satellite captured this image of the Eastern Seaboard on Thursday morning.
13 February 2014, 02:01 PM ET
A strange ribbon of energy and particles at the edge of the solar system first spotted by a NASA spacecraft appears to serve as a sort of "roadmap in the sky" for the interstellar magnetic field, scientists say.