Science ❯ Earth Sciences ❯ Geology

Planetary Formation

Earth's Core Hadean Eon Earth's Core Dynamics Siderophile Elements Iron Catastrophe Mantle Evolution Magma Ocean Theory Magma Ocean Moon Formation Theories Heavy Metals Origins of Life Earth's Evolution Solar System Elemental Composition Inner Solar System Meteorite Impacts Water Storage Core-Mantle Interactions Planetary Chemistry Accretion Processes Water Sources Early Earth Conditions Hydrogen Storage Water Origin Solar System Formation Early Earth History

Earth Formed Entirely from Inner Solar System Material, Study Finds

The Nature Astronomy analysis uses ten isotope records to argue that outer‑system input was negligible.

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

Early Jupiter Shaped the Inner Solar System, Study Finds

Study Ties Earth’s Early Crust Changes to Milky Way Spiral-Arm Passages

Simulations Point to Carbon as Trigger for Earth’s Inner-Core Formation

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

Earth’s Oldest Intact Rocks Confirmed at 4.16 Billion Years in Quebec

Volcanic Lavas Reveal Gold and Precious Metals Leaking From Earth’s Core

Study Confirms Earth's Core Leaks Gold and Precious Metals Into Mantle