Saturn’s Ring System, Hyperion and Titan May Have Originated in Collision of Two Proto-Moons
In a paper to be published in the Planetary Science Journal, scientists from SETI Institute, Southwest Research Institute,…
New Research Uncovers Hidden Complexity beneath Martian Surface
New orbital data reveal that the most recently active volcanic systems on Mars weren’t simple one-off blasts into…
Seasonal and Multi-Decadal Climate Cycles Persisted during Snowball Earth, Scientists Say
A new analysis of exquisitely preserved laminated rocks (varves) from the Port Askaig Formation on the Garvellach Islands,…
Hidden Caves on Venus? New Analysis Suggests Massive Lava Tube beneath Venusian Surface
Using archival radar data from NASA’s Magellan spacecraft, planetary researchers have identified a vast underground conduit beneath the…
For Jupiter, ‘Textbooks Will Need to Be Updated’
Jupiter hasn’t shrunk, but our best measurement of it just did. Using fresh data from NASA’s Juno…
Jupiter is Smaller and More ‘Squashed’ than Previously Believed, New Juno Data Reveal
Using high-precision radio-occultation measurements from NASA’s Juno mission and incorporating the effects of zonal winds, planetary scientists derived…
Even Local Dust Storms Can Drive Water Loss on Mars, Study Suggests
Mars almost certainly once held abundant water. Until now, observations have shown that most atmospheric water loss occurs…
Two Enormous Blobs of Superheated Material Help Shape Earth’s Magnetic Field
Two immense, ultrahot rock structures located at the base of Earth’s mantle, around 2,900 km beneath Africa and…
Ammonia-Bearing Compounds Detected on Europa for First Time
A new analysis of archival data from the Near Infrared Mapping Spectrometer (NIMS) on board NASA’s Galileo spacecraft…
NASA Detects Most Powerful Eruption Ever on Jupiter’s Volcanic Moon Io
Jupiter’s moon Io is covered in hundreds of volcanoes, which spew fountains of lava that constantly refill impact…
Rare Cosmic Lineup Gives Hubble Close Look at 3I/ATLAS
On January 22, 2026, the NASA/ESA Hubble Space Telescope observed the interstellar comet 3I/ATLAS nearly perfectly aligned with…
New Lunar Regolith Analysis Challenges Meteorite-Water Theory
Planetary scientists analyzing oxygen isotopes in lunar soil from the Apollo mission sites conclude that meteorite bombardment over…