07 March 2014, 06:30 AM ET
Astronomers have seen comets break apart as they near the sun, but they'd never witnessed anything similar in an asteroid in the main belt — until now. Hubble images show that the asteroid, known as P/2013 R3, has fragmented into 10 pieces.
05 March 2014, 01:00 AM ET
The White House's 2015 federal budget request, which was released Tuesday, allocates $15 million to help develop a mission to Europa, which harbors a potentially life-supporting ocean of liquid water beneath its icy shell.
03 March 2014, 02:36 PM ET
The bright stars and star clusters of the constellation Gemini are on display along with post sunset sightings of Jupiter and Mars. Saturn and Venus make early morning appearances.
24 February 2014, 12:17 PM ET
Voyager 2, arriving at Jupiter four months after Voyager 1, was actually launched 16 days before its mate.
24 February 2014, 06:30 AM ET
Probably the most eye-catching object these cold winter evenings lies well up in the southeast sky soon after dark — Jupiter. The largest planet in our solar system is spending 2014 within the constellation Gemini, the Twins.
13 February 2014, 01:07 PM ET
This space wallpaper shows Jupiter's moon Ganymede centered at 200 west longitude. This mosaic (right) served as the base map for the geologic map of Ganymede (left).
13 February 2014, 11:45 AM ET
The largest moon in the solar system has finally received its cartographic due, more than 400 years after its discovery.
13 February 2014, 11:03 AM ET
See amazing photos of Jupiter's moon Ganymede, the largest moon in the solar system in this Space.com gallery made of images from NASA's Voyager 1, 2 and Galileo spacecraft, as well as telescope images.
13 February 2014, 10:53 AM ET
Ganymede would easily be classified as a planet if were orbiting the sun rather than Jupiter.
12 February 2014, 03:41 PM ET
Surface features, such as furrows, grooves and impact craters are illustrated on this 360 degree view of the moon. The best imagery from NASA's Voyager 1 and 2 and Galileo spacecrafts were used to create it. Galileo Galilei discovered it in 1610.
12 February 2014, 06:00 AM ET
The four satellites that currently comprise the Galileo constellation — Europe's version of the United States' GPS satnav system — have passed a key test called In-Orbit Validation, European Space Agency officials announced Monday.
10 February 2014, 11:52 AM ET
If your sky is clear tonight (Feb. 10), be sure to check out the southeast sky about an hour or so after sundown for an eye-catching site: Jupiter and the moon shining together. Weather permitting, stargazers can find the celestial meet-up on about halfwa
08 February 2014, 10:13 AM ET
Skywatchers have a lot to look up for in February 2014. Weather permitting, diligent observers should be able to spot a plethora of planets, comets and stars in the night sky this month.
06 February 2014, 09:27 AM ET
The planets location in the nightsky are pinpointed (you'll need binoculars or a telescope to spot Uranus and Neptune). Also, Comet's Lovejoy, Siding Spring and Linear can be viewed.
04 February 2014, 10:10 AM ET
The brilliant planet Jupiter and constellation Orion shine brightly in this glittering night sky photo shot from the Canary Islands by astrophotographer Miguel Claro.
03 February 2014, 10:30 AM ET
What would life be like if aliens from Europa invaded Earth? A weekly comic strip from Astrobiology Magazine attempts to answer that question.
30 January 2014, 04:05 PM ET
The bright 'star' overhead after the Sun sets, in the winter of 2014, is our closest gas giant, Jupiter and the red supergiant Betelgeuse, 650X bigger than the Sun, is one of the shoulder of the 'Great Hunter' (Orion Constellation).
29 January 2014, 01:01 PM ET
Astronomers have come to realize that the asteroids in the main belt between Mars and Jupiter are incredibly diverse in size and composition, implying that they were scattered here and there by migrating planets long ago.
15 January 2014, 03:53 PM ET
In the desert here, the nearly full moon was so bright that we didn't even need a flashlight to walk to the Mars Desert Research Station Musk Observatory. The stars were still, as the dry air did not provide much humidity to cause twinkling.
10 January 2014, 09:52 AM ET
Before the Voyager spacecraft were launched in 1977, a prototype was put through vibration tests.
03 January 2014, 06:31 PM ET
The online Slooh Space Camera will webcast live views of the annual Quadrantid meteor shower on Friday (Jan. 3), Earth's closest approach to the sun of the year on Saturday (Jan. 4) and Earth's passage between the sun and Jupiter on Sunday (Jan. 5).
31 December 2013, 09:27 AM ET
A crescent Venus, Jupiter at opposition, Taurus constellation and its Red-Giant 'eye' and the Quadrantid meteor shower makes for quite a skywatching show. In the market for a telescope? - Click the blue 'SHOP' link above.
31 December 2013, 09:06 AM ET
The Gas Giant is 83 Million miles away on average. In January it will be 391 million miles away when its reaches opposition. Venus is the only object that will be brighter than Jupiter. Need a telescope? - Click the blue 'SHOP' link above.
13 December 2013, 03:50 PM ET
Scientists have detected transient plumes of water vapor erupting from Europa's south pole. The moon is thought to contain a subsurface ocean, and the geysers represent a way to sample this potentially life-supporting environment.
12 December 2013, 11:43 AM ET
The Hubble Space Telescope imaged a water vapor plume emanating from the Moon in Dec. 2012 observations. The artist impression uses actual Jupiter and Europa images with the size of the plume being accurate but the brightness is increased for effect.
12 December 2013, 11:01 AM ET
Jupiter's icy moon Europa may spout giant geysers of water 20 times higher than Mt. Everest from the moon's southern pole, Hubble Space Telescope images suggest. If these giant waterspouts are confirmed, they could be a way to detect signs of any life tha
11 December 2013, 01:45 PM ET
A new analysis from NASA scientists suggests that a 'spectacular' space rock collision may have delivered clay-like minerals to Jupiter's icy moon Europa.The finding raises the possibility that Europa may be home to organic compounds.
10 December 2013, 04:37 PM ET
Amateur radio operates beamed up 'Hi' in morse code on Oct. 9th, 2013 to NASA's Juno spacecraft. It was received by the probe and the audio from the event was sent back to Earth.
10 December 2013, 04:35 PM ET
NASA's Juno spacecraft captured an amazing "starship-like view" of Earth and the moon as it made a speedy flyby past our planet on its way to Jupiter in October.
10 December 2013, 02:46 PM ET
See how amateur ham radio operators beamed messages to NASA’s Jupiter-bound Juno spacecraft during its Earth flyby of Oct. 9, 2013. Did their morse code messages of hello reach Juno?
10 December 2013, 02:40 PM ET
This cosmic pirouette of Earth and our moon was captured by the Juno spacecraft as it flew by Earth on Oct. 9, 2013. Set be inserted into Jupiter orbit in August 2016.
09 December 2013, 03:56 PM ET
Andrew Kwon took this image of Jupiter on Nov. 20 from his backyard observatory in Mississauga, Ontario, Canada.
09 December 2013, 05:33 AM ET
Churning seas beneath the icy surface of Jupiter's moon Europa might explain the chaotic jumble of cracks and ridges around its equator, scientists say. These findings hint Europa may be even more habitable for alien life than previously thought, research
05 December 2013, 08:00 AM ET
Forty years ago this week, NASA's Pioneer 10 probe beamed the first up-close images of Jupiter back to Earth.
04 December 2013, 12:12 PM ET
Venus shines its brightest at 4.9 magnitude this month, the Geminid Meteor Shower peaks in mid December and more!. In the market for a telescope? - Click the blue 'SHOP' link above.
03 December 2013, 12:57 PM ET
Want to know where to find Venus and Jupiter in the morning or the double star in Cassiopeia. Check out the Hubblesite's latest guide to the best places to look in the night sky. Telescopes are just one click away - Click the blue 'SHOP' link above.