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.
25 November 2013, 09:54 AM ET
The spacecraft Galileo is prepared for its trip to Jupiter.
25 November 2013, 07:01 AM ET
Jupiter's Great Red Spot has been furiously swirling across the planet for hundreds of years, confounding theories that suggest it should have died out long ago. Researchers now think they know the secret of the huge storm's longevity.
01 November 2013, 05:06 PM ET
You can expect to see Venus, Jupiter, Mars, Mercury and Saturn this November with only an average telescope.
25 October 2013, 12:28 PM ET
The gibbous moon, which is 56 percent illuminated, will emerge from above the east-northeast horizon around 11:20 p.m. local time tonight. And shining brightly roughly 7 degrees above it will be the largest planet in our solar system, Jupiter.
22 October 2013, 11:00 AM ET
The Juno spacecraft gets power from the sun, the first Jupiter probe of its kind.
18 October 2013, 11:55 AM ET
Technicians prepare Pioneer F spacecraft for testing in the Space Simulation Chamber.
14 October 2013, 09:54 AM ET
NASA's Juno probe exited a protective "safe mode" on Friday afternoon (Oct. 11) and is currently operating normally as it streaks toward a July 2016 rendezvous with the solar system's largest planet, mission officials said.
11 October 2013, 07:37 AM ET
NASA's Juno spacecraft went into safe mode Wednesday, shortly after making its closest approach to Earth in a speed-boosting flyby. The probe's handlers aren't sure what happened, but they suspect a minor glitch rather than a mission-threatening problem.
10 October 2013, 01:54 PM ET
Three of Jupiter's largest moons will cast their shadows simultaneously on the planet below them creating three solar eclipses at the same time: a rare cosmic event.
09 October 2013, 09:11 PM ET
NASA's Juno probe detected an anomalous condition and shut itself down this afternoon after slingshotting around Earth to gain momentum for the long trip to the solar system's largest planet.
09 October 2013, 03:29 PM ET
NASA’s Juno spacecraft came within 347 miles (558 kilometers) of Earth during its closest approach, which occurred at 3:21 p.m. EDT (1921 GMT) today over South Africa. The maneuver boosts Juno’s speed for the long trip to Jupiter.
09 October 2013, 02:01 PM ET
Planetary science is a girl's best friend. Jupiter and Saturn might be brimming over with diamonds, new research suggests.
09 October 2013, 11:04 AM ET
Consider the following: Bill Nye — best known as "The Science Guy," an homage to his award-winning 1990s television show — is the star of a new science series.
08 October 2013, 01:23 PM ET
The NASA probe, that will study how the Gas Giant formed, will use a gravity-assist from Earth on October 9th, 2013 to gain the necessary momentum to reach its destination.
07 October 2013, 01:45 PM ET
NASA's 8,000-pound Juno probe will skim just 350 miles (560 kilometers) above Earth's surface on Wednesday, getting a critical gravity assist more than two years after launching on a circuitous path to the solar system's largest planet.
01 October 2013, 04:23 PM ET
The NASA mission to Jupiter (Juno) will use a gravity assist from Earth to send it on its way to the Gas Giant. There will also be opportunities to see 9% more of the moon on its eastern and western limbs.
25 September 2013, 01:01 PM ET
Io is the most volcanically active object in the solar system, dissipating its massive stores of internal heat via intense eruptions. Earth may have gone through a similar phase in its youth, before the planet cooled enough for plate tectonics to start up