18 February 2009, 10:55 AM ET
NASA and Europe are pushing ahead with ambitious new missions to Jupiter and Saturn.
13 February 2009, 11:14 AM ET
This month you'll have an opportunity to see all five naked-eye planets.
14 January 2009, 11:43 AM ET
Englishman Thomas Harriot made the first drawing of the Moon through a telescope several months before Galileo.
01 January 2009, 10:28 AM ET
The International Year of Astronomy aims to get more people involved in astronomy.
18 December 2008, 02:28 PM ET
Hubble catches Ganymede ducking behind its giant host.
16 December 2008, 06:47 AM ET
Prometheus Unbound: NASA Animation of Nuclear Jupiter Mission
10 December 2008, 01:00 PM ET
New observations of hot-Jupiter exoplanet confirm suspicions that atmosphere has water vapor.
04 December 2008, 12:46 PM ET
Students detect a new exoplanet.
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.
28 November 2008, 10:26 AM ET
A slender crescent moon will appear in very close proximity to the two brightest planets in our sky, Venus and Jupiter.
27 November 2008, 09:59 AM ET
Proposal is to visit two of Jupiter’s large moons, Ganymede and Europa.
25 November 2008, 04:05 PM ET
Computer simulations get up close to Jupiter's core.
21 November 2008, 11:04 AM ET
Jupiter and Venus, the two brightest planets, draw closer together.
20 October 2008, 07:07 AM ET
A new model explains the exotic weather on distant "hot Jupiters."
17 October 2008, 10:06 AM ET
A simulation shows how thunderstorms create jet streams on giant planets.
16 October 2008, 06:56 AM ET
Tardigrades' survival in space gives more credence to the panspermia idea.
13 October 2008, 06:37 AM ET
OHB will bid against a much larger consortium to build Galileo satellites.
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.
03 October 2008, 06:54 AM ET
This week will be a fine time to seek out planet Uranus.
18 September 2008, 06:47 AM ET
Researchers found hydrothermal vents supporting an extremophile ecosystem.
18 September 2008, 06:47 AM ET
The Kepler Mission will search for hard evidence of other Earths.
18 September 2008, 06:40 AM ET
A look at the technology needed for a challenging Europa Lander Mission.
11 September 2008, 06:48 AM ET
Swedish researchers are developing a submersible to explore thick ice caps.
28 August 2008, 06:34 AM ET
A new method of exploring thick icy sheets and below them has been devised.
26 August 2008, 05:16 PM ET
Venus will reclaim its role as the brilliant evening star.
14 August 2008, 01:23 PM ET
Most meteorites come directly to Earth from the solar system's asteroid belt.
04 August 2008, 07:03 AM ET
Europe's two big satellite makers urged speeding Galileo satellite system.
31 July 2008, 06:41 AM ET
SETI invites scuba divers on an expedition to a destination of your choice.
17 July 2008, 02:17 PM ET
Jupiter's Great Red Spot may swallow a smaller storm.
11 July 2008, 12:11 AM ET
July holds some great opportunities to see the International Space Station.
10 July 2008, 06:34 AM ET
Could aliens be tuning into the most powerful radio transmitter on Earth?
04 July 2008, 10:02 AM ET
Three planets are now putting on a show as prominent evening luminaries.
02 July 2008, 12:09 AM ET
Future robots may cooperatively explore alien worlds.