17 August 2009, 07:02 PM ET
Learn why the moon is so pockmarked compared to the Earth.
12 August 2009, 06:08 PM ET
NASA needs more funding in order to track potentially dangerous space rocks.
06 August 2009, 03:28 PM ET
NASA's Kepler Telescope is engaged in the ultimate staring contest.
06 August 2009, 02:00 PM ET
NASA's newest planet-hunting spacecraft Kepler is in good shape to begin discovering Earth-like planets, according to its first science results, released today.
03 August 2009, 09:14 AM ET
It's only a matter of time before a dying sun may end life on earth.
31 July 2009, 01:26 PM ET
Five or so billion years from now, Earth's present orbit won't be a good place to be as the Sun swells dramatically before dying to its white dwarf stage. Best hope: Whoever is living here then is smart enough to move themselves...or move the Earth.
30 July 2009, 12:04 PM ET
A crack team of astronomers keeps constant watch for potential comets and asteroids that could slam into Earth.
28 July 2009, 08:24 AM ET
A recent asteroid collision on Jupiter is an eerie reminder that earth can get walloped too.
27 July 2009, 08:54 AM ET
Gravity is everywhere in space, even in so-called zero-gravity.
22 July 2009, 06:53 PM ET
The new image, released by NASA's Earth Observatory in cooperation with Japanese researchers, reveals a dark spot on our planet.
17 July 2009, 12:18 PM ET
NASA panel investigating failed launch of Orbiting Carbon Observatory issues report.
14 July 2009, 07:22 AM ET
New Venus Express map shows possible signature of granite, could indicate past oceans, plate tectonics.
25 June 2009, 08:33 AM ET
An in-depth look at astronomer Bill Borucki, principal investigator of NASA's planet-hunting Kepler mission.
18 May 2009, 12:25 PM ET
Astronaut Mike Massimino tries to describe the indescribable thrill of viewing Earth from space.
07 May 2009, 12:39 PM ET
Psychologists say Star Trek's peaceful future might not be so unrealistic.
04 May 2009, 09:08 AM ET
Canada is using satellite technology to track illegal fishing.
30 April 2009, 08:14 AM ET
14 April 2009, 02:25 PM ET
Twin STEREO spacecraft get three-dimensional view of coronal mass ejection.
13 April 2009, 09:42 AM ET
Twin spacecrafts are heading out to search for leftovers from a rumored lost planet of the solar system.
10 April 2009, 11:35 AM ET
Author Marsha Freeman spotlights the life of German rocket engineer Krafft Ehricke in 'Extraterrestrial Imperative.'
09 April 2009, 02:39 PM ET
New instrument detects boundary between Earth's atmosphere and solar particles.
07 April 2009, 05:22 PM ET
The difference in light reflection from the Earth’s land masses and oceans can be seen on the moon, a new study found.
03 April 2009, 10:00 AM ET
Sea levels are rising everywhere, but in some areas they are rising quicker than others, bringing increased dangers of flooding. Jason 2 has been launched to continue work to monitor the situation.
23 March 2009, 11:09 AM ET
The successful March 17 launch of the European Space Agency (ESA) GOCE Earth observation satellite aboard a Russian Rockot vehicle was a life-saving event for Eurockot Launch Services GmbH.
17 March 2009, 12:04 PM ET
A new European gravity-mapping probe launched into space on Tuesday.
16 March 2009, 03:19 PM ET
The planned Monday launch of a new European gravity-mapping probe has been delayed.
10 March 2009, 02:49 PM ET
Junk created by the collision of two satellites last month is poised to fall into Earth's atmosphere this week.
06 March 2009, 10:57 PM ET
NASA's Kepler planet-hunting space telescope launched into space late Friday.
06 March 2009, 07:40 AM ET
The Kepler spacecraft will launch tonight to begin hunting for alien Earths.
05 March 2009, 04:55 PM ET
The heat is on for NASA to launch the Kepler planet hunter late Friday.
04 March 2009, 08:53 AM ET
Glorious Venus became a gossamer crescent as it transitions from 'evening star' to 'morning star' on the day of closest approach to Earth. This 'inferior conjunction' takes place every 8 years.
04 March 2009, 07:29 AM ET
NASA's new Kepler telescope will seek out new Earth-like planets beyond the scope of Europe's CoRoT.
03 March 2009, 09:15 AM ET
New Kepler telescope will look for evidence of Earth-sized planets moving in Earth-like orbits.
02 March 2009, 10:55 AM ET
This music video spotlight's ESA's new GOCE spacecraft to map Earth's gravity field.
25 February 2009, 05:43 PM ET
NASA has named Rick Obenschain, a senior manager at Goddard Space Flight Center, to lead the investigation into Tuesday's launch failure.
24 February 2009, 06:44 AM ET
NASA's new Orbiting Carbon Observatory failed to reach space early Tuesday.