10 September 2011, 04:34 AM ET
Was it the 45th anniversary of the movie Star Trek, events in space to remember 9/11 or something else?
18 August 2011, 07:42 AM ET
On August 16, the Solar and Heliospheric Observatory captured this time-lapsed imagery of a coronal mass ejection passing in front of its view of the "Morning Star". Being that the planet was more than 62 million miles away, it never posed a threat.
26 July 2011, 04:07 PM ET
See photos of Venus, a cloud-covered planet with an ultra-hot surface.
23 June 2011, 08:01 AM ET
The planets Venus, Jupiter, Mars are shining bright at dawn in the northeastern sky.
20 June 2011, 07:00 AM ET
Venus is our closest neighbor, but we know very little about how it became the hellish planet it is today.
07 June 2011, 01:04 AM ET
The hemispheric view of Venus, as revealed by more than a decade of radar investigations culminating in the 1990-1994 Magellan mission, is centered on the South Pole.
27 May 2011, 12:49 PM ET
Look to the skies this Memorial Day weekend to see four planets near the moon.
11 May 2011, 01:41 PM ET
Over the next two weeks, the four brightest planets, Mercury, Venus, Mars, and Jupiter, perform a complex dance at dawn
10 May 2011, 02:29 PM ET
Two shining planets will align in the night and daytime skies this week.
06 May 2011, 07:35 AM ET
See Venus, Jupiter, Mercury and Mars together in the predawn sky over the next week.
28 April 2011, 02:46 PM ET
Skywatching tips for how you can view six planets aligned above the rising sun.
21 April 2011, 11:53 AM ET
The two planets will experience an unusual conjunction, offering rare views for skywatchers.
07 April 2011, 02:00 PM ET
The vortex at Venus' south pole can look like a giant 'S' or number '8.'
01 April 2011, 05:33 PM ET
Here's a look at how to observe the planets of the solar system in 2011.
30 March 2011, 05:26 PM ET
A NASA spacecraft now circling Mercury is set to tackle some of the planet's mysteries – including whether or not water ice lurks in its craters.
30 March 2011, 12:30 PM ET
Venus and the moon will shine bright together before sunrise on March 31.
29 March 2011, 05:01 PM ET
A stark, gray landscape and big crater dominate the 1st photo of Mercury from orbit.
28 March 2011, 05:20 PM ET
NASA's Messenger probe will photograph previously unseen regions of Mercury's south pole.
21 March 2011, 05:05 PM ET
Does our magnetic field really shield Earth from the solar wind?
17 March 2011, 08:39 PM ET
NASA's Messenger spacecraft will study Mercury from orbit for the next 12 months.
17 March 2011, 10:00 AM ET
NASA's Messenger spacecraft will become the first probe ever to orbit the solar system's innermost planet.
16 March 2011, 04:57 PM ET
Here are 10 interesting features of the $446 million Messenger spacecraft and its mission to the planet Mercury.
16 March 2011, 08:00 AM ET
After more than six years of spaceflight, NASA's Messenger probe is almost ready to begin investigating some key questions about the planet Mercury.
15 March 2011, 05:41 PM ET
NASA's Messenger probe will become the first spacecraft ever to enter into orbit around the solar system's innermost planet.
14 March 2011, 11:15 AM ET
NASA's Messenger spacecraft arrives in orbit around Mercury on Thursday, March 17.
26 February 2011, 09:12 AM ET
Venus and the moon should give skywatchers a morning sky show on Monday.
28 January 2011, 04:41 PM ET
Early-bird skywatchers will get a pre-dawn treat of Venus near the moon this weekend.
26 January 2011, 06:40 PM ET
The moon, Saturn, Venus and several stars offer a pre-dawn sky show on Thursday, Jan. 27.
17 January 2011, 06:35 PM ET
A list of skywatching events in January 2011 that you don't want to miss.
05 January 2011, 09:38 AM ET
Early risers this week will be treated to a spectacular display: Mercury, Venus, and Saturn will appear just before sunrise.
30 December 2010, 02:26 PM ET
Venus and the moon will offer an early New Year's Eve spectacle for skywatchers rising before dawn on Dec. 31 to mark the end of 2010.
20 December 2010, 10:00 AM ET
How to best observe the major planets of our Solar System. Some have worlds of their own.
17 December 2010, 03:46 PM ET
A Japanese Venus probe's failure to enter into orbit around the searing-hot planet last week will likely cause the nation's space program to dial back its future ambitions, according to a mission scientist.
13 December 2010, 12:13 PM ET
Venus is so bright you can see it even in the daytime right now — if you know where to look.
08 December 2010, 04:23 PM ET
The Japanese Venus probe Akatsuki may have overshot the planet because of an impacting object, or an engine glitch.
08 December 2010, 12:53 AM ET
A Japanese Venus probe failed to enter into orbit around the hellishly hot planet yesterday (Dec. 6). The spacecraft may try again in seven years, when its orbit loops around close to Venus again, or it may be gone for good.