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.
16 October 2008, 06:54 AM ET
The moon is covered in dust lying between four inches to a yard deep.
13 October 2008, 06:38 AM ET
Earth from afar, scientists hope to discern what signs of habitability to look for on other planets.
10 October 2008, 06:28 AM ET
Neptune is much too faint to be perceived without any optical aid.
09 October 2008, 06:59 AM ET
Cynthia Phillips strolls the surfaces of distant planets each day.
06 October 2008, 06:46 AM ET
The European Defence Agency moves toward the military-space sector.
03 October 2008, 06:54 AM ET
This week will be a fine time to seek out planet Uranus.
24 September 2008, 07:00 AM ET
The new MAVEN probe will study Martian atmosphere evolution in unprecedented detail.
18 September 2008, 06:47 AM ET
The Kepler Mission will search for hard evidence of other Earths.
16 September 2008, 06:54 AM ET
Eight-legged animals survived exposure to the harsh environment of space, supporting the idea that simple life forms could travel between planets.
11 September 2008, 06:47 AM ET
What has UV radiation meant to life on Earth?
08 September 2008, 01:02 PM ET
These radio waves, called Auroral Kilometric Radiation (AKR), are created high above Earth where solar particles interact with the planet's magnetic field.
08 September 2008, 12:46 PM ET
The closest planet to the Sun may have ice. How is that possible?
04 September 2008, 06:36 AM ET
Why was the early Earth covered in liquid water and not ice?
02 September 2008, 06:32 AM ET
A planetary map-mapmaker targets Mercury and the moons of Saturn.
26 August 2008, 05:16 PM ET
Venus will reclaim its role as the brilliant evening star.
25 August 2008, 05:56 PM ET
Glaciation and subsequent snow and ice melt likely carved out Martian gullies.
25 August 2008, 06:38 AM ET
Bigelow Aerospace is pushing to get a habitable space module launched.
21 August 2008, 06:41 AM ET
Life-searching instruments are tested in Rio Tinto for an mission to Mars.
20 August 2008, 01:01 PM ET
Ice clouds in Mars' atmosphere destroy ozone, important to atmosphere's chemistry.
18 August 2008, 11:01 AM ET
Astronomers have discovered a comet-like object lurking near Neptune's orbit.
14 August 2008, 01:23 PM ET
Most meteorites come directly to Earth from the solar system's asteroid belt.