12 June 2012, 11:46 AM ET
S/2010 J 2 is barely 1 mile across.
12 June 2012, 07:00 AM ET
The new map raises as many questions about the mysterious moon as it answers.
08 June 2012, 06:36 AM ET
Skywatcher P-M Heden took this spectacular photo from Sweden’s capital Stockholm on March 11.
04 June 2012, 07:00 AM ET
The space telescope would observe the event in sunlight bouncing off Jupiter.
30 May 2012, 10:55 AM ET
Scientists would love to find a place on Earth that resembles the sulfur-laden surface of Europa. And now they have.
22 May 2012, 02:01 PM ET
NASA's Solar and Heliospheric Observatory (SOHO) caught Jupiter, Mercury and the Pleiades Star Cluster converging within its camera's field of view.
22 May 2012, 09:46 AM ET
Tarter will begin fundraising for the SETI Institute full-time.
18 May 2012, 07:00 AM ET
Researchers are keying in on methane as a possible indicator of alien life.
11 May 2012, 12:00 PM ET
The Juno spacecraft was beyond the orbit of Mars when it took the picture.
10 May 2012, 05:41 PM ET
Jupiter's gravity kept Vesta from hooking up with many other protoplanets.
08 May 2012, 12:35 PM ET
Italian astronomer Galileo Galilei made a number of inventions and discoveries that remain important to astronomy and science in general today.
30 April 2012, 06:00 AM ET
Skywatcher and photographer Stefano De Rosa snapped this view of his three children enjoying the night sky.
25 April 2012, 07:25 PM ET
This up close and personal look at the gas giants and their moons was stitched together by Sander van den Berg using imagery captured by NASA's Voyager and Cassini spacecrafts. Van den Berg named the black and white piece 'Outer Space'.
24 April 2012, 09:00 AM ET
Test your knowledge of these leftovers from the solar system's birth.
20 April 2012, 02:49 PM ET
The giant planet will be lost in the sunset glow after Sunday.
06 April 2012, 01:19 PM ET
Venus and Jupiter appeared to come closer this year and then passed each other on March 13.
04 April 2012, 12:00 PM ET
Jupiter, the moon and Venus align over a shining castle in skywatcher’s photo.
04 April 2012, 07:00 AM ET
A new study should help future missions determine how deep to dig for life on Europa.
28 March 2012, 07:00 AM ET
Orionid outbursts result from a complex orbital interplay among Jupiter, Halley's Comet and its sloughed-off bits.
26 March 2012, 06:43 PM ET
Two of the telescopes were found in the 18th-century equivalent of toilets.
25 March 2012, 04:58 AM ET
From runaway planets to a submarine on Jupiter, it's been a busy week in space. Vote for the week's best space story.
24 March 2012, 07:00 AM ET
Skywatchers can experience this weekend's planetary conjunction with NASA and the Slooh Space Camera.
23 March 2012, 11:09 AM ET
Venus and Jupiter are beacons you can’t miss.
22 March 2012, 07:00 AM ET
Of course, it would not be easy.
21 March 2012, 01:52 PM ET
See stunning views of Jupiter's moon Io and its many volcanoes.
20 March 2012, 06:12 PM ET
Io is the most volcanically active object in the solar system.
19 March 2012, 07:41 AM ET
Astronomers examined how a wave of so-called chevrons disturbed one of Jupiter's fast-moving jet streams.
16 March 2012, 09:03 AM ET
During its slow fly-by of Jupiter, NASA's Cassini spacecraft captured imagery of wave motion in the fast-moving jet streams that are a signature of the gas giant.
15 March 2012, 12:04 PM ET
Jupiter may cause more asteroids and comets to hit our planet.
14 March 2012, 08:28 PM ET
The nation also wants to send spacecraft to Venus, Mars and Jupiter by 2030.
14 March 2012, 07:00 AM ET
After a long buildup, the two planets finally came together in the sky last night.
13 March 2012, 05:37 PM ET
Observers around the world have snapped stunning pictures of the two planets.
13 March 2012, 03:43 PM ET
A century-old bridge in rural Sweden makes for a perfect setting for spotting familiar objects in the night sky.
12 March 2012, 06:50 PM ET
Amazing skywatcher shots of Venus and Jupiter hanging together in the sky.
12 March 2012, 05:55 PM ET
The dazzling one-minute video was shot last week.
12 March 2012, 01:31 PM ET
Venus and Jupiter cruise over Colorado's iconic Flatiron Mountains in this video, shot from March 5-9, 2012 by Patrick Cullis.