Video Archive
12 July 2012, 02:01 PM ET
A new study fingers asteroids, not comets, as our planet's primary water bearers.
12 July 2012, 09:57 AM ET
Considering all the mysteries that remain, Pluto's newfound moon almost definitely won't be the last of its surprises.
11 July 2012, 05:17 PM ET
Dwarf planets can have moons, too.
10 July 2012, 06:27 PM ET
The atmospheric feature could herald the start of winter in Titan's south.
10 July 2012, 08:00 AM ET
The Thunderbolt was one of several high speed aircraft used in research by the NACA.
09 July 2012, 02:44 PM ET
A look at previous missions that have attempted to land on Mars.
09 July 2012, 12:59 PM ET
XCOR officials announced plans for a new test facility in Midland, Texas.
09 July 2012, 07:00 AM ET
During the Apollo 15 mission, Astronaut David R. Scott explores the Hadley Delta.
06 July 2012, 07:00 AM ET
A commemorative plaque marks the stopping point for NASA's last space shuttle mission STS-135.
06 July 2012, 01:25 AM ET
The heavy-lift Ariane 5 rocket launched Europe's latest weather satellite MSG-3 and a communications satellite.
05 July 2012, 04:31 PM ET
The flare came from an active sunspot region that has now spewed 12 solar flares since July 3.
05 July 2012, 04:00 PM ET
NASA's Mars rover Opportunity has sent the ultimate postcard of its home on Mars.
05 July 2012, 02:31 PM ET
Dark matter is thought to make up 83 percent of all matter in the universe.
03 July 2012, 03:26 PM ET
Smoke is traveling far from the flames.
03 July 2012, 11:34 AM ET
The Hubble Space Telescope has captured a skyrocket in deep space: a jet of gas from a baby star.
02 July 2012, 11:42 AM ET
The meal will provide a rare chance to watch our home black hole eat something.
02 July 2012, 08:00 AM ET
The second stage of the 374-foot tall Moon rocket is hoisted into the test stand.
01 July 2012, 04:15 AM ET
The astronauts landed on the steppes of Kazakhstan in Central Asia.
28 June 2012, 05:21 PM ET
Space station astronauts captured staggering video of the huge Colorado wildfires.
28 June 2012, 02:49 PM ET
Archaeologists uncover an ancient reference to Dec. 21, 2012.
28 June 2012, 12:13 PM ET
The International Space Station is open for business, officials stressed.
27 June 2012, 01:01 PM ET
The technique could let astronomers search for signs of life on distant worlds.
27 June 2012, 10:14 AM ET
Physicists have estimated a limit for the number of different atomic nuclei variations that can be created.
26 June 2012, 04:07 PM ET
Debby is expected to bring bad weather to the Florida launch site.
26 June 2012, 03:31 PM ET
Agency will host first social media meetup to watch Mars Curiosity rover landing on August 6
