22 May 2013, 01:37 PM ET
On May 26th three planets, Venus, Jupiter, and Mercury, will appear in a triangular formation on the western horizon just after sunset.
21 May 2013, 12:00 PM ET
Scientists are studying other rocky planets and moons to better understand Earth.
21 May 2013, 09:50 AM ET
Such a tight three-planet grouping won't happen again until 2026.
20 May 2013, 12:13 PM ET
Night-sky-watchers alert: This tri-planetary conjunction will be most apparent from May 26th to June 5th. Here's where to see it best.
20 May 2013, 07:00 AM ET
The iconic city as seen through other planets' air.
20 May 2013, 07:00 AM ET
The project showcases the diversity of worlds in our solar system.
10 May 2013, 02:54 PM ET
The "evening star" had been hidden by the sun's glare for months.
29 March 2013, 12:35 PM ET
The comet ISON is making what astronomers believe is its first trip through the inner solar system, taking a sweltering pass by the sun (making ISON a 'sungrazing' comet) and then back past Earth in December.
25 March 2013, 12:55 PM ET
Scientists are unsure why Venus' vortex evolves as it does.
19 March 2013, 07:00 AM ET
A look at the robotic spacecraft currently sending data home from beyond Earth orbit.
14 March 2013, 09:43 AM ET
The seven-year journey to Saturn begins.
04 March 2013, 02:27 PM ET
The Cassini probe's new photos show Venus gleaming over Saturn's massive shoulder.
20 February 2013, 04:00 PM ET
Veteran astrophotographer Ajay Talwar snapped the spectacular image of the crescent moon and Venus over the Ganges River in India.
28 January 2013, 04:17 PM ET
The European Space Agency will send its Mars Express spacecraft within 36 miles of the tiny moon.
11 January 2013, 10:00 AM ET
Venus and a crescent moon provided a dazzling sight for stargazers Thursday (Jan. 10).
10 January 2013, 10:50 AM ET
Scientists have discovered strange magnetic ropes hundreds of miles long above the poles of Venus.
10 January 2013, 09:39 AM ET
See photos of planet Venus taken by the European Space Agency's Venus Express spacecraft.
03 January 2013, 06:00 AM ET
A brief rundown of the intrepid spacecraft currently sending data home from beyond Earth orbit.
27 December 2012, 11:10 PM ET
This cool space wallpaper from the APEX telescope, of part of the Taurus Molecular Cloud, shows a sinuous filament of cosmic dust more than ten light-years long.
21 December 2012, 07:00 AM ET
What to look for in the night sky this holiday season.
18 December 2012, 02:16 PM ET
A night sky photographer shot this spectacular image of Venus and a crescent moon.
18 December 2012, 07:00 AM ET
The Akatsuki spacecraft may be able to bounce back from a 2010 orbit-insertion failure.
14 December 2012, 01:26 PM ET
NASA's Mariner 2 probe flew within 21,500 miles of Venus on Dec. 14, 1962.
13 December 2012, 11:51 AM ET
In 1962, America became the first country to explore another planet but technical issues threatened the mission from the outset. Surviving the harrowing journey, Mariner 2 probed the hellish world, passing within 20,000 miles.
10 December 2012, 03:03 PM ET
A waning crescent moon will glow alongside the brightest of all the planets.
04 December 2012, 09:25 AM ET
The orbiter Atlantis holds the spacecraft in its payload bay.
10 November 2012, 07:00 AM ET
Stargazers have to rise before sunrise to see the celestial triangle by Venus, the moon and Spica.
07 November 2012, 06:55 AM ET
The moon, the planet Venus and the bright star Spica will be on view.
01 November 2012, 05:10 PM ET
The discovery comes from observations made by two Venus-observing probes over the course of three decades.
01 November 2012, 10:07 AM ET
This month will see Saturn and Venus come very close to one another in the night sky, the mid-month peak of the Leonid meteor shower, solar eclipse in Australia and more.
01 November 2012, 07:00 AM ET
Titan's glow works a little like a neon sign.
28 October 2012, 01:10 AM ET
Storms can exist on any planet with an atmosphere, even the sun.
26 October 2012, 05:00 PM ET
The rocky, metallic worlds of the inner solar system look quite different from those of the outer solar system, one theory supposes they formed in much the same way. However, a competing theory suggests they may have formed from different components.
11 October 2012, 04:47 PM ET
Although Venus and Earth are nearly twins in size and mass, a pressure cooker atmosphere makes Venus extremely inhospitable. Sulfuric acid clouds swirl about a volcanic surface more than 900° F.
10 October 2012, 11:19 AM ET
The two brightest objects in the sky may be visible as you wait for your train or bus.
09 October 2012, 12:04 PM ET
False-colour image of cloud features seen on Venus by the Venus Monitoring Camera (VMC) on Venus Express is seen in this cool space wallpaper.