Webb Detects Hydrogen Peroxide on Ganymede
Jupiter’s moon Ganymede is the only satellite in the Solar System known to have an intrinsic magnetic field. Interactions between this field and the magnetosphere of Jupiter are expected to…
Early, Energetic Collisions Could Have Fueled Venus Volcanism: Study
New research shows that long-lived volcanism, driven by early, energetic collisions on Venus, offers an explanation of its young surface age with stagnant-lid tectonics. This volcanic activity is fuelled by…
Auroral Mechanisms May Be Universal throughout Our Solar System
An analysis of data obtained during the ESA/JAXA BepiColombo spacecraft’s first Mercury flyby reveals that Mercury’s southern magnetosphere aurorae are similar to those seen on Earth and Mars. An artist’s…
Perseverance Finds Diverse Organic Molecules in Jezero Crater
The Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals (SHERLOC) instrument onboard NASA’s Perseverance rover has detected several species of aromatic organic molecules in the Máaz and…
Tiny Fragments of Interstellar Meteor May Have Been Found in Pacific Ocean
Harvard University’s Professor Avi Loeb and colleagues have discovered at least 50 tiny spherical iron fragments near the fireball path of the first recognized interstellar meteor, IM1. Tiny meteoritic spherules…
Planetary Scientists Find Large Granite Formation on Moon’s Far Side
The 50-km-diameter granitic system discovered below the far side feature known as Compton-Belkovich Volcanic Complex likely was formed from the cooling of molten lava that fed a volcano or volcanoes…
Martian Gullies Could Have Been Formed by On-And-Off Periods of Liquid Meltwater
Some steep slopes on Mars have gullies with morphologies suggesting that they were formed by a liquid. However, the planet’s current climate is not conducive to the melting of water…
ESA’s Euclid Mission Launches to Explore Dark Matter and Energy
The Euclid spacecraft, built and operated by ESA, with contributions from NASA, lifted off from Cape Canaveral Space Force Station in Florida at 11:12 a.m. EDT (17:12 CEST) on July…
MAVEN Observes Mars in Ultraviolet Light
Planetary scientists using the Imaging Ultraviolet Spectrograph (IUVS) instrument onboard NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft have captured two amazing images of the Red Planet. By viewing the…
New Research Sheds More Light on Evolution of Europa’s Interior
Many planetary scientists studying Jupiter’s moon Europa assumed that it formed with a metallic core during or shortly after accretion. New research from Arizona State University contradicts that prediction, instead…