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Uranus and Neptune may be rock rich worlds
Zurich, Switzerland (SPX) Dec 11, 2025 The Solar System is often divided into four inner rocky planets, two gas giants, and two ice giants thought to be dominated by water and other volatiles, but new work from the University of Zurich suggests Uranus and Neptune may contain much more rock than assumed so far. The study indicates that these distant planets can be consistent with interior structures that are either ice rich or rock rich, and that the standard picture of them as purely ice dominated worlds is too narrow. The interpretation is ... read more |
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SwRI links Uranus radiation belt mystery to solar storm driven wavesLos Angeles CA (SPX) Dec 08, 2025 SwRI scientists report that a reanalysis of Voyager 2 measurements suggests a powerful solar storm may explain why Uranus hosts an electron radiation belt far more intense than expected. They propos ... more 
Looking inside icy moonsDavis, CA (SPX) Dec 01, 2025 The outer planets of the Solar System are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky c ... more 
Saturn moon mission planning shifts to flower constellation theoryTokyo, Japan (SPX) Nov 12, 2025 Researchers have developed a satellite constellation approach designed for exploration around Titan, Saturn's largest moon. The framework, known as the 2D Necklace Flower Constellation, prioritizes ... more 
Could these wacky warm Jupiters help astronomers solve the planet formation puzzle?Los Angeles CA (SPX) Oct 15, 2025 What do you do when you have an unanticipated astronomical phenomenon, a dataset made of planets thousands of light-years away and theoretical models that fail to explain what exactly you're looking ... more |
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Methane gas revealed on dwarf planet Makemake by JWST observationsLos Angeles CA (SPX) Sep 11, 2025 A Southwest Research Institute-led research team has made the first detection of gas on Makemake, a distant dwarf planet in the outer Solar System, using NASA's James Webb Space Telescope (JWST). Th ... more 
Fresh twist to mystery of Jupiter's coreLondon, UK (SPX) Aug 22, 2025 The mystery at Jupiter's heart has taken a fresh twist - as new research suggests a giant impact may not have been responsible for the formation of its core. ... more 
Jupiter birth dated through ancient molten rock droplets in meteoritesNagoya, Japan (SPX) Aug 25, 2025 Researchers from Nagoya University and the Italian National Institute for Astrophysics (INAF) have determined the timing of Jupiter's formation by studying tiny molten rock spheres known as chondrul ... more 
Jupiter core mystery not explained by giant planetary impactLondon, UK (SPX) Aug 22, 2025 A new Durham University study challenges the idea that Jupiter's unusual dilute core was formed by a giant collision, overturning a leading explanation of the planet's interior structure. Jupi ... more 
New Horizons begins record hibernation in Kuiper BeltLos Angeles CA (SPX) Aug 22, 2025 At 4:12 a.m. EDT on Aug. 7, mission controllers at Johns Hopkins Applied Physics Laboratory confirmed that New Horizons had safely entered hibernation mode. The spacecraft, operating more than 5.7 b ... more |
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Alien aurora: Researchers discover new plasma wave in Jupiter's aurora
Minneapolis MN (SPX) Aug 22, 2025 Researchers at the University of Minnesota Twin Cities have made a groundbreaking discovery by observing and analyzing the first new type of plasma wave in Jupiter's aurora. This research helps us understand "alien aurora" on other planets, which in turn teaches us more about how Earth's magnetic field protects us from the sun's harmful radiation. The research is published in Physical Review Letters, a peer-reviewed, multidisciplinary, high-impact scientific journal. The observation is based ... read more 
Webb telescope discovers a new Uranus moonWashington DC (UPI) Aug 19, 2025 NASA scientists at the Southwest Research Institute discovered a 29th moon orbiting Uranus while using infrared detection through the James Webb Space Telescope. ... more |
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Simulated ice volcanoes reveal how water behaves on distant moonsLondon, UK (SPX) Jul 30, 2025 Scientists have recreated the cryovolcanic conditions found on icy moons such as Europa and Enceladus, shedding light on how water behaves in near-vacuum environments. The research, led by a team fr ... more 
China eyes Neptune for groundbreaking ice giant missionTokyo, Japan (SPX) Jul 25, 2025 China is preparing to push deeper into the solar system with an ambitious new phase in its deep space exploration program, including a Mars sample-return mission and a journey to Jupiter. Now, Chine ... more 
JunoCam revived by onboard heat treatment just in time for Io flybyNashville TN (SPX) Jul 24, 2025 NASA's Juno spacecraft, currently orbiting Jupiter, narrowly salvaged its onboard JunoCam imager through a remote thermal repair maneuver executed in December 2023. The move, initiated from over 370 ... more 
Fossil object 2023 KQ14 challenges Planet Nine theory with unique distant orbitTokyo, Japan (SPX) Jul 22, 2025 Subaru Telescope has uncovered a rare celestial object far beyond Pluto, offering new insights into the ancient history and structure of the outer Solar System. Discovered through the FOSSIL survey ... more 
Rare Trans Neptunian Object Reveals Unexpected Orbital Dance with NeptuneLos Angeles CA (SPX) Jul 22, 2025 A rare celestial body drifting far beyond Neptune, designated 2020 VN40, has been identified by astronomers from the Center for Astrophysics | Harvard and Smithsonian as the first confirmed object t ... more |
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