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.
23 February 2009, 02:10 PM ET
A thunderstorm-related phenomenon may explain some UFO sightings.
19 February 2009, 02:47 PM ET
Japan's Kaguya moon probe has caught the stunning sight of Earth blocking the sun.
19 February 2009, 08:50 AM ET
Japan's Kaguya moon probe caught this view of Earth eclipsing the sun to create a stunning diamond ring effect.
19 February 2009, 08:12 AM ET
Absolute proof of alien life, however small, would have big impacts on Earth.
18 February 2009, 08:15 AM ET
NASA's new Orbiting Carbon Observatory will map Earth's carbon dioxide levels to help climate studies.
12 February 2009, 07:35 AM ET
Light bouncing off vegetation could be a signal of life on an alien planet.
11 February 2009, 06:18 AM ET
NASA's OCO spacecraft will track CO2 levels on Earth and study humanity's impact on Earth's climate change.
10 February 2009, 02:29 PM ET
Europe has extended its missions to study Mars, Venus and Earth's magnetic field through Dec. 31, 2009.
25 January 2009, 03:18 PM ET
The asteroid, 2009 BD, might be what's known as a co-orbital asteroid.
07 January 2009, 09:03 AM ET
A new study outlines grim possibilities on Earth for a worst-case scenario solar storm.
07 January 2009, 07:00 AM ET
A Russian mission is set to carry Earth organisms to a Martian moon.
17 December 2008, 09:21 AM ET
New telescope system will look for asteroids, comets that could hit Earth.
16 December 2008, 03:20 PM ET
Solar particles penetrate Earth's magnetosphere at different points, in different ways and in greater amounts than though.
16 December 2008, 12:38 PM ET
Satellite observations who atmosphere expands and contracts in unexpected short time periods.
16 December 2008, 10:32 AM ET
Venus crossed directly between the Earth and Sun on June 8th, 2004, an occurrence last viewed in the 19th century. Next viewing will occur on June 5th, 2012 and then on to the 22nd century (2117).
15 December 2008, 06:00 PM ET
China launched a secretive Earth observation satellite early Monday.
12 December 2008, 01:34 PM ET
A detailed analysis of the measurements of five different satellites has revealed the existence of warm cloak of plasma around Earth.
11 December 2008, 01:24 PM ET
Friday's full moon will be the biggest of the year, the closest to us.
10 December 2008, 06:02 PM ET
In the remake, aliens reprimand humanity for treating the Earth poorly.
04 December 2008, 02:00 PM ET
Layering of rock outcrops on Mars point to climate cycles caused by changes in Mars' tilt.
02 December 2008, 08:35 AM ET
Mars' ultraviolet auroral lights have been mapped for the first time.
01 December 2008, 08:20 AM ET
A newly discovered exoplanet sheds light on what will happen to Earth in billions of years.
25 November 2008, 04:05 PM ET
Computer simulations get up close to Jupiter's core.
06 November 2008, 02:01 PM ET
Young mare basalts on moon's farside show volcanism persisted.
06 November 2008, 07:53 AM ET
Water and the peroxy may have been vital for Earth's habitability.
03 November 2008, 08:22 AM ET
Huge magnetic portals allow high-energy particle to jet from the sun to Earth.
30 October 2008, 03:15 PM ET
Some lunar craters may be perfect for preserving samples of life from Earth or Mars.
24 October 2008, 12:16 AM ET
Many have been fooled into thinking that it's beginning of morning twilight.