Hubble Finds Mysterious Replenishment of Water Vapor on Jupiter’s Moon Europa
Ice Sublimating Off the Surface Replenishes a Tenuous Envelope You would think that living half-a-billion miles from the Sun would be no place to call…
Jupiter
NASA’s Daring Lucy Mission to Jupiter’s Trojan Asteroids Poised To Launch
SwRI’s Levison, Olkin lead the mission to Jupiter’s Trojan asteroids. NASA’s Lucy spacecraft is encapsulated in a protective fairing atop an Atlas V rocket, awaiting…
“No One Has Ever Seen This Before” – Hubble Shows Winds in Jupiter’s Great Red Spot Are Accelerating
The Winds at the Outer Edge Are ‘Winning the Race’ in This Enormous Storm System Listen up, race fans! The innermost lane no longer has…
Could Low-Altitude Magnetic Reconnection Power Jupiter’s Polar Aurorae?
Magnetic reconnection events less than 2 Jovian radii above the planet’s cloud tops could explain why Juno has yet to observe a source for Jupiter’s…
Something Big Just Crashed Into Jupiter!
In 1994, the Comet Shoemaker-Levy 9 (SL9) impacted Jupiter, which had captured the comet shortly before (and broken apart by its gravity). The event became…
International Observatories Assemble To Solve “Energy Crisis” on Jupiter
Sitting more than five times the distance from the Sun as Earth, Jupiter is not expected to be particularly warm. Based on the amount of…
Jupiter’s Gigantic Super Polar Cyclones Are Here To Stay
Weizmann Institute scientists reveal how gigantic cyclones remain stable at both of Jupiter’s poles. Until recently, before NASA’s Juno space probe entered its orbit around…
First Evidence of Water Vapor at Jupiter’s Moon Ganymede – May Hold More Water Than All of Earth’s Oceans
Astronomers have used archival datasets from the NASA/ESA Hubble Space Telescope to reveal the first evidence for water vapor in the atmosphere of Jupiter’s moon…
NASA’s Juno Celebrates 10 Years With New Infrared View of Mammoth Jovian Moon Ganymede
The spacecraft used its infrared instrument during recent flybys of Jupiter’s mammoth moon to create this latest map, which comes out a decade after Juno’s…
A Few Steps Closer to Jupiter’s Moon Europa: Spacecraft Hardware Makes Headway
Take a closer look at the complex choreography involved in building NASA’s Europa Clipper as the mission to explore Jupiter’s moon Europa approaches its 2024…
Secret Behind Jupiter’s “Energy Crisis” Revealed – Puzzled Astronomers for Decades
New research published in Nature has revealed the solution to Jupiter’s “energy crisis,” which has puzzled astronomers for decades. Space scientists at the University of…
10 Years Ago: NASA’s Juno Spacecraft Launched on Interplanetary Journey To Observe Jupiter
On August 5, 2011, NASA’s Juno spacecraft launched on a five-year interplanetary journey that took it to the giant planet Jupiter. NASA’s Jet Propulsion Laboratory…
Hubble Finds First Evidence of Water Vapor in the Atmosphere of Jupiter’s Moon Ganymede
Oxygen Found on the Frozen World Is Linked to Sublimating Surface Ice Though larger than the blistering planet Mercury, the Jovian moon Ganymede is no…
Cause of Jupiter’s X-Ray Aurora Revealed – Mystery Has Puzzled Scientists for 40 Years
An international research team led by YAO Zhonghua from the Institute of Geology and Geophysics of the Chinese Academy of Sciences (IGGCAS) has explained the…
Hear the Eerie Radio Emissions NASA’s Juno Spacecraft Recorded From Jupiter and Its Moon Io
The Juno Waves instrument “listened” to the radio emissions from Jupiter’s immense magnetic field to find their precise locations. By listening to the rain of…
“Beautiful!” – Ride With NASA’s Juno Spacecraft As It Flies Past the Solar System’s Biggest Moon and Jupiter
The probe flew closer to Jupiter’s largest moon, Ganymede, than any other spacecraft in more than two decades, offering dramatic glimpses of both the icy…
40-Year Mystery Solved: Source of Jupiter’s Strange X-Ray Flares Uncovered
A puzzler about the gas giant’s intense northern and southern lights has been deciphered. Planetary astronomers combined measurements taken by NASA’s Juno spacecraft orbiting Jupiter,…
NASA’s Juno spacecraft Detects Jupiter’s Highest-Energy Ions
Trapped ions discovered at midlatitudes can have energies exceeding 100 megaelectron volts per nucleon. Their detection adds to our understanding of the powerful radiation environment…