17 July 2012, 04:10 PM ET
Our planet probably formed within our nascent solar system's "snow line," contrary to prevailing theory.
16 July 2012, 12:17 PM ET
See spectacular stargazer photos of Jupiter, Venus and the moon shining together in the night sky during July 2012.
14 July 2012, 07:00 AM ET
The trio will be visible in the early morning sky on July 15.
12 July 2012, 05:47 PM ET
Night sky photographer Ajay Talwar shoots bright planets in beautiful conjunction over historic Lodi Gardens in India.
12 July 2012, 02:02 PM ET
On July 15th, 2012, Earth's Moon will occult Jupiter and its four largest moons – Europa, Io, Callisto and Ganymede – blocking them from skywatchers' views.
12 July 2012, 10:40 AM ET
See our favorite images of July 2012 skywatching events submitted by SPACE.com readers.
09 July 2012, 04:33 PM ET
Night sky watchers will have a variety of events to enjoy in July 2012.
06 July 2012, 05:13 PM ET
From July through August, planet groupings in the pre-dawn and dusk skies will impress skywatchers around the world.
05 July 2012, 05:33 PM ET
With a total of 67 known moons — including four large moons known as the Galilean satellites — Jupiter almost qualifies as a solar system unto itself.
05 July 2012, 04:25 PM ET
Callisto is thought to be a long dead world, with hardly any geologic activity on its surface.
03 July 2012, 11:05 PM ET
Being awake at dawn has its benefits in July as Venus and Jupiter converge and set the table for a skywatching show that also stars the crescent Moon with Earthshine, a star cluster and more.
03 July 2012, 03:23 PM ET
Jupiter’s fifth moon is the most volcanically active body in the solar system.
18 June 2012, 06:01 AM ET
The Juno spacecraft is expected to arrive at Jupiter in 2016.
14 June 2012, 03:16 PM ET
In the coming years, commercial space ventures hope to send robot space probes to mine valuable material from the asteroids.
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.