16 October 2008, 05:06 PM ET
New observations of Mars' moon Phobos show the object is more like a pile of rubble than a single solid body.
16 October 2008, 06:56 AM ET
Tardigrades' survival in space gives more credence to the panspermia idea.
13 October 2008, 02:31 PM ET
Giant cyclones swirl on Saturn's north and south poles.
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.
09 October 2008, 06:56 AM ET
Eight years from now, the Juno spacecraft will arrive at Jupiter.
08 October 2008, 04:19 PM ET
A NASA probe is set to make the closest flyby yet of an icy Saturnian moon.
03 October 2008, 06:54 AM ET
This week will be a fine time to seek out planet Uranus.
02 October 2008, 06:57 AM ET
A team of astronomers found two moons around an intriguing asteroid.
22 September 2008, 08:00 PM ET
Saturn's rings may be much older and more massive than previously thought, according to a new study.
05 September 2008, 01:16 PM ET
Cassini finds new ring arc, confirms another orbiting with two of Saturn's moons.
02 September 2008, 06:32 AM ET
A planetary map-mapmaker targets Mercury and the moons of Saturn.
28 August 2008, 06:34 AM ET
A new method of exploring thick icy sheets and below them has been devised.
22 August 2008, 06:43 AM ET
Recently, three planets have been clustered rather closely together.
15 August 2008, 04:32 PM ET
Cassini spots sources of icy plumes on Enceladus.
14 August 2008, 06:50 AM ET
Reactions on Titan may create molecules similar to some on the early Earth.
11 August 2008, 07:00 AM ET
NASA's Cassini spacecraft will fly past Saturn's moon Enceladus on Monday.
08 August 2008, 09:20 AM ET
NASA's Cassini spacecraft to image surface of Enceladus during Monday flyby.
07 August 2008, 06:43 AM ET
The glint of starlight from oceans might show water on alien planets.
31 July 2008, 06:41 AM ET
SETI invites scuba divers on an expedition to a destination of your choice.
30 July 2008, 01:02 PM ET
A giant lake full of ethane and methane has been confirmed to exist on Titan.
10 July 2008, 06:34 AM ET
Could aliens be tuning into the most powerful radio transmitter on Earth?
08 July 2008, 07:00 AM ET
Earth has liquid water and plate tectonics, but its most special feature might just be us.
07 July 2008, 12:24 AM ET
Cassini gets a two-year extended tour to examine Saturn and its moons.
04 July 2008, 10:02 AM ET
Three planets are now putting on a show as prominent evening luminaries.
03 July 2008, 06:37 AM ET
A new regular feature highlights research undertaken by SETI scientists.
02 July 2008, 12:09 AM ET
Future robots may cooperatively explore alien worlds.
27 June 2008, 07:00 AM ET
Two bright planets approach each other during the next couple of weeks.
19 June 2008, 06:45 AM ET
It may be hard to keep water from freezing on Saturn's moon Enceladus.
16 June 2008, 06:52 AM ET
A new book sheds light on the mysteries of Saturn's largest moon, Titan.
11 June 2008, 02:36 PM ET
The Pluto-bound New Horizons spacecraft crossed the orbit of Saturn on June 8.
09 June 2008, 07:00 AM ET
It's possible to detect a moon orbiting a known exoplanet, says astrophysicist.
16 May 2008, 06:53 AM ET
It's rare to spot Jupiter when none of its 'Galilean' moons are visible.
08 May 2008, 03:47 PM ET
Saturn’s atmosphere does the wave, a new study shows
07 May 2008, 06:31 AM ET
Space-based radar could gauge Earth's ice sheets, extraterrestrial oceans.
05 May 2008, 07:00 AM ET
A new study reveals how light and shadow sculpt the faint rings.