23 May 2013, 03:46 PM ET
Physicist Marc Millis discusses how close humanity really is to a faster-than-light drive like warp speed on "Star Trek."
23 May 2013, 12:03 PM ET
This stunning space wallpaper shows the youngest-known supernova remnant in our galaxy, which lies 10,000 light years away in the constellation Cassiopeia. The light from this exploding star first reached Earth in the 1600s.
23 May 2013, 11:50 AM ET
A new photo shows a nebula located 6,500 light-years from Earth in unprecedented detail.
23 May 2013, 10:34 AM ET
The life of legendary cosmologist Stephen Hawking is detailed in comic book form.
22 May 2013, 01:22 PM ET
The meteorite was found in 2012 in Morocco's Sahara Desert.
22 May 2013, 01:09 PM ET
The find sheds new light on the role such huge collisions played in galactic evolution long ago.
22 May 2013, 12:53 PM ET
The lunar surface is incredibly exposed.
21 May 2013, 10:36 AM ET
This intriguing space wallpaper from ESO’s Very Large Telescope shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star. It is located about 3300 light-years away in the constellation of Scutum (The Shield).
21 May 2013, 09:43 AM ET
A large coronal mass ejection from the active sun could affect entire continents, scientists say.
20 May 2013, 10:26 AM ET
The dark hot spot in this false-color space wallpaper from NASA's Cassini spacecraft is a window deep into Jupiter's atmosphere. All around it are layers of higher clouds, with colors indicating which layer of the atmosphere the clouds are in.
17 May 2013, 05:57 PM ET
In 'After Earth,' humanity is faced with a choice: Leave the planet, or die off trying to remain on it.
17 May 2013, 01:33 PM ET
Opportunity passed the Apollo 17 moon buggy, which covered 22.21 miles back in 1972.
17 May 2013, 12:47 PM ET
The May 31 flyby of 1.7-mile-long 1998 QE2 poses no threat to Earth.
16 May 2013, 10:37 AM ET
There's a chance the prolific instrument could recover from its recent malfunction, officials say.
16 May 2013, 10:09 AM ET
This stunning space wallpaper, taken using the NASA/ESA Hubble Space Telescope, shows a unique example of a globular cluster — Palomar 2. Palomar 2 is part of a group of 15 globulars known as the Palomar clusters.
15 May 2013, 10:38 AM ET
The X1.2 solar flare was the fourth X-class flare in two days from the sunspot AR1748.
14 May 2013, 05:47 PM ET
The faraway star cluster NGC 6496 is 10.5 billion years old and 32,600 light-years away.
14 May 2013, 05:09 PM ET
AR1748 should be lined up with our planet by the weekend.
14 May 2013, 03:48 PM ET
The giant solar flare late Monday (May 13), the strongest yet of 2013, is the the third major sun storm in 24 hours.
14 May 2013, 03:19 PM ET
Only three poems will be selected to ride on the Maven orbiter, which is slated to launch in November.
14 May 2013, 02:21 PM ET
Astronomers used a new method to discover a planet orbiting another star.
14 May 2013, 02:14 PM ET
This cool space wallpaper shows a perspective view of a 50 km diameter crater in Thaumasia Planum.
13 May 2013, 04:07 PM ET
NASA and the NSF are facing ambitious goals with slashed budgets.
13 May 2013, 02:35 PM ET
The two X-class solar flares erupted from the surface of the sun less than 24 hours apart.
13 May 2013, 09:43 AM ET
This beautiful space wallpaper is an artist’s impression of an exoplanet seen from its moon. The diversity of exoplanets is large — more than 800 planets outside the Solar System have been found to date, with thousands more waiting to be confirmed.