28 September 2012, 03:31 PM ET
Tidal forces of Jupiter's huge mass cause sulphur volcanoes of Jupiter's inner most moon to constantly erupt. Io is literally tearing itself apart. It's the most geologically active body in the solar system.
28 September 2012, 03:12 PM ET
Locked beneath the icy surface of Europa is perhaps as much water as in all of Earth's oceans and lakes. But could there be life in the salty underground global sea?
27 September 2012, 01:57 PM ET
By far the most massive planet in our solar system, Jupiter features giant hurricanes, auroras, abstract artistic cloudswirls, and maybe even a solid core. It also protects Earth by gravitationally clearing the solar system of asteroids and comets.
26 September 2012, 06:01 PM ET
Emmanuel Kardasis made the map using an 11-inch telescope and off-the-shelf camera and computer equipment.
24 September 2012, 06:01 PM ET
Future missions hoping to explore Europa's ocean may have to dig very deep.
19 September 2012, 05:38 PM ET
The Pleiades star cluster stands highest in the sky appearing as a close group of bright blue dots.
11 September 2012, 12:15 PM ET
George Hall captured a flash, likely an asteroid vaporizing in Jupiter’s atmosphere, on September 10th, 2012. Scientists see the big planet as a cosmic vacuum cleaner. See Mr. Hall's astrophotography here: http://georgeastro.weebly.com/jupiter.html
11 September 2012, 10:58 AM ET
Amateur astronomer Christopher Go captured what appears to be the resulting fireball from an asteroid impacting the gas giant. Seen here looped and replayed in slow motion.
06 September 2012, 07:00 AM ET
Liquid water could slosh beneath the frigid moon's icy shell.
05 September 2012, 05:37 PM ET
Voyager 1's rocket only had 3.5 seconds of fuel left when it sent the probe on its way 35 years ago.
05 September 2012, 03:41 PM ET
The maneuver is now slated for Sept. 14.
04 September 2012, 11:50 AM ET
This September skywatchers can catch a glimpse of four planets (Venus, Mars, Jupiter, and Saturn) as well as a visual trick in the constellation Capricornus that makes two stars look like one oddly enlongated star.
31 August 2012, 01:24 PM ET
Another engine burn for Juno is planned this coming Tuesday.
23 August 2012, 11:28 AM ET
This early morning shot of the iconic salt march captures the crescent moon with Jupiter and Venus.
10 August 2012, 01:40 PM ET
How well do you know the largest planet in our solar system?
10 August 2012, 08:54 AM ET
The annual meteor shower reaches its high point on August 11-13, 2012. Jupiter, Venus, the crescent moon and red giant star Aldebaron add to the skywatching spectacle.
09 August 2012, 10:19 PM ET
See sky maps to help spot the skywatching events of August 2012.
09 August 2012, 05:30 PM ET
Serene morning image features the crescent moon, Taurus, Jupiter and Venus.
03 August 2012, 01:09 PM ET
Jupiter and its moons will put on a spectacular show for night sky observers with telescopes.
25 July 2012, 05:44 PM ET
This cool space wallpaper from the Pleiades satellite shows the island of Mont Saint Michel and its surrounding bay in northwest France.
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, 05:40 PM ET
Europa is an icy moon of Jupiter and one of the four so-called Galilean moons.
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.