Science ❯ Geology

Planetary Formation

Solar System Impact Events Volcanism Lunar Surface Features Earth's Water Sources Earth History Heat Transfer Protoplanetary Disk Origin of Organic Molecules Earth's Core Giant Impact Hypothesis Solar System Development Earth's History Asteroids Radioactive Decay Planetesimals Lunar Evolution Magma Ocean Theory Volcanic Activity Impact Processes Solar System Origins Core Formation Theia Impact Theory Protoplanets Crustal Composition

Study Finds Lunar Polar Ice Built Up Over Billions of Years

In-situ sampling now looks essential to learn whether usable ice exists.

New Experiments Suggest Earth’s Core Holds Nine to 45 Oceans’ Worth of Hydrogen

Far-Side Moon Samples Link South Pole–Aitken Impact to Lunar Asymmetry

Ryugu Samples Reveal Billion-Year-Late Liquid Water and a Far Wetter Parent Asteroid

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

Georgia Meteorite Dated at 4.56 Billion Years, Heads for Official Naming