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Jupiter: Latest Discoveries and Photos
Learn the latest discoveries about Jupiter and the Jovian moons and rings. The gas giant Jupiter is the largest planet in our solar system.
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Was Ancient Earth Like Jupiter's Super-Volcanic Moon Io?
September 25th, 2013
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
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A Cosmic History: Vintage Space Photos Revealed (Gallery)
September 10th, 2013
The University College of London, the only UK host of a NASA Regional Planetary Image Facility, has recently released a stunning selection of the historic space pictures—many of them never published online before, others only ever in low resolution.
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Comet ISON And Mars Pair Up In The September Night Sky | Video
August 30th, 2013
Saturn, Venus, Mars and Jupiter will all be sharing the September nights' sky with the Moon, and toward the end of the month, comet ISON will line up with Mars.
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Alien Life on Europa? Funding Gap Means We May Never Know (Op-Ed)
August 13th, 2013
Is there life on Europa, Jupiter's moon? Perhaps — but researchers may not know for years, or even decades, depending on the outcome of wars over NASA's budget that broke out before Congress went home for its August recess. Here is why.
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NASA Maps Out Goals for Potential Landing On Jupiter's Moon Europa
August 8th, 2013
The top priority of a lander mission to Jupiter's potentially life-supporting moon Europa should be investigating the composition and chemistry of its subsurface ocean, scientists say. It should also study the dynamics of the moon's ice shell.
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Europa Report: Jupiter's Icy Moon Explained (Infographic)
August 1st, 2013
Scientists are eager to learn if Europa's huge subsurface ocean harbors alien life. See how Europea's frozen surface covers a suspected vast ocean of water that could be a home for microbial life. This SPACE.com infographic shows how.
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Incredible Technology: How to Explore Jupiter's Moon Europa
July 29th, 2013
Jupiter's icy moon Europa is shrouded in mystery. Scientists have long been intrigued by Jupiter's fourth largest moon with its unmapped ocean and icy shell.
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$16.6 Billion NASA Budget Clears House Panel
July 10th, 2013
A House panel approved appropriations legislation Wednesday (July 10) that would give NASA $16.6 billion for 2014, cutting agency spending back to levels not seen since 2007. The proposed 2014 appropriation is about $300 million less than what NASA ended
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'Star Trek' Fans Unveil Restored Galileo Shuttlecraft | Video
June 26th, 2013
‘Star Trek’ superfans Adam and Leslie Schneider unveil the fully restored Galileo shuttlecraft, a life-size prop from the iconic 1960s TV science fiction series while fans cheer on June 22, 2013. The Galileo will be donated to Space Center Houston.
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Russia May Land Probe on Jupiter's Moon Ganymede with Europe's Help
June 19th, 2013
Russia's Ganymede lander could launch with Europe's JUICE probe.
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Photos: The Galilean Moons of Jupiter
June 14th, 2013
The four Galilean moons of Jupiter are Io, Europa, Callista and Ganymede.
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Photos: The Galilean Moons of Jupiter
June 14th, 2013
The four Galilean moons of Jupiter are Io, Europa, Callista and Ganymede.
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5 Facts About NASA's Far-Flung Voyager Spacecraft
September 11th, 2013
Here are five facts about NASA's twin Voyager 1 and 2 spacecraft.
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Dwarf Planet Ceres Could Harbor Ice Underground
September 9th, 2013
Two scientists speak of the dwarf planet Ceres, which will be visited by NASA's Dawn mission in early 2015.
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Moon and Jupiter Team Up in Saturday Morning Sky
August 30th, 2013
As we kick off the Labor Day holiday weekend, early on Saturday (Aug. 31) during the predawn hours, check out the east-northeast sky anytime after 2 a.m. local daylight time and your eyes will immediately be drawn to the two brightest objects in the sky a
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Alien Life on Europa? Funding Gap Means We May Never Know (Op-Ed)
August 13th, 2013
Is there life on Europa, Jupiter's moon? Perhaps — but researchers may not know for years, or even decades, depending on the outcome of wars over NASA's budget that broke out before Congress went home for its August recess. Here is why.
Read More »
NASA Maps Out Goals for Potential Landing On Jupiter's Moon Europa
August 8th, 2013
The top priority of a lander mission to Jupiter's potentially life-supporting moon Europa should be investigating the composition and chemistry of its subsurface ocean, scientists say. It should also study the dynamics of the moon's ice shell.
Read More »
Planets, Perseids, And Nebulas Light Up The Sky In August | Video
July 31st, 2013
Saturn, Venus, Mars, Mercury and Jupiter will all be visible in the August night skies, as will the annual Perseid meteors. A number of nebulas will also be easy to find among the constellations.
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See Jupiter, Venus and Mars: Planet Close Encounters in July's Sky
July 17th, 2013
July is full of encounters between astronomical objects, and the action continues this weekend with three different planets taking center stage. Venus will dance with the star Regulus Sunday evening, while Mars and Jupiter will be visible in Gemini (The T
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New Space Engine Could Turn Tiny CubeSats into Interplanetary Explorers
July 8th, 2013
Researchers plan to launch a tiny spacecraft to Earth orbit and beyond in the next 18 months or so, in a key test of new propulsion technology that could help cut the cost of planetary exploration by a factor of 1,000.
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See Mercury and Earth's Summer Solstice This Week
June 20th, 2013
Mercury and the solstice make this a can't-miss week in skywatching.
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Tiny Submersible Could Search for Life in Europa's Ocean
June 14th, 2013
Could a small sub help find life under Europa's icy shell?
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Photos: The Galilean Moons of Jupiter
June 14th, 2013
The four Galilean moons of Jupiter are Io, Europa, Callista and Ganymede.
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Photos: The Galilean Moons of Jupiter
June 14th, 2013
The four Galilean moons of Jupiter are Io, Europa, Callista and Ganymede.
Read More »
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Mars Rover Camera Invention Could Help NASA Robots Explore Solo
September 11th, 2013
TextureCam, a technology whose development is led by NASA's Jet Propulsion Laboratory, is designed to take pictures of rocks in 3-D and prioritize the ones that are most scientifically interesting. The smart camera could be used on Mars or more distant lo
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Monster Saturn Storm Dredged Up Icy Water from the Deeps
September 4th, 2013
A colossal storm that raged on Saturn in 2010 and 2011 churned water ice up from deep within the ringed planet's thick atmosphere. NASA's Cassini spacecraft detected the ice crystals from orbit, marking the first observation of water on the planet.
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How Astronaut Hibernation for Deep-Space Travel Works (Infographic)
August 27th, 2013
Scientists are hoping to induce an unconscious state in astronauts so that they can be stored in cold capsules for long space flights. Here's how astronaut hibernation and suspended animation might one day work.
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NASA's Juno Spacecraft Is Halfway to Jupiter
August 13th, 2013
The odometer on NASA's Juno probe clicked over to 880 million miles (1.415 billion kilometers) on Monday (Aug. 12), space agency officials said. The spacecraft is thus halfway to Jupiter, at least in terms of distance traveled.
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Europa Report: Jupiter's Icy Moon Explained (Infographic)
August 1st, 2013
Scientists are eager to learn if Europa's huge subsurface ocean harbors alien life. See how Europea's frozen surface covers a suspected vast ocean of water that could be a home for microbial life. This SPACE.com infographic shows how.
Read More »
'Star Trek' Galileo Shuttlecraft – How It Was Restored To Flight Status | Video
July 29th, 2013
After nearly a half-century of neglect – and nine months of extensive restoration – the life-sized Star Trek prop is ready for active duty. Superfan Adam Schneider and his family show SPACE.com what it took to get Galileo flying again.
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Moon Has Close Encounters with Planets, Star This Month: How to See It
July 13th, 2013
In mid-July 2013, skywatchers will be able to observe the moon moving in relation to Spica and Saturn. Also, Mars and Jupiter appear to move together in the morning sky.
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Morning Planets, Meteor Shower Grace July Sky | Video
June 28th, 2013
Mars and Jupiter will shine bright in the predawn morning skies of July 2013. Learn how to see the planets and the annual Delta Aquarid meteor shower in late July.
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Russia May Land Probe on Jupiter's Moon Ganymede with Europe's Help
June 19th, 2013
Russia's Ganymede lander could launch with Europe's JUICE probe.
Read More »
Photos: The Galilean Moons of Jupiter
June 14th, 2013
The four Galilean moons of Jupiter are Io, Europa, Callista and Ganymede.
Read More »
Photos: The Galilean Moons of Jupiter
June 14th, 2013
The four Galilean moons of Jupiter are Io, Europa, Callista and Ganymede.
Read More »
Distantly Orbiting Alien World May Challenge Planet-Formation Theories
June 13th, 2013
The potential world sits about 7.5 billion miles from its host star.
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