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Apollo Soil Study Finds Meteorites Supplied Only a Small Share of Earth’s Water

Triple-oxygen isotope fingerprints in Apollo regolith isolate impactor material to set limits that Artemis-era samples can refine.

NASA Study of Apollo Moon Soil Finds Meteorites Supplied Only a Small Share of Earth’s Water

High-Resolution Mars Mapping Points to Arctic-Sized Ocean 3 Billion Years Ago

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

New Mars Express Images Reveal Vast Wind-Carved Ridges at Eumenides Dorsum

Chang'e-6 Samples Confirm Hematite and Maghemite on the Moon

Early Jupiter Shaped the Inner Solar System, Study Finds

Ancient Mantle Rocks Reveal Potassium-40 Deficit Linked to Surviving Proto‑Earth

MIT Team Finds Potassium-40 Anomaly That Points to Surviving Proto‑Earth Mantle

Study Shows Dry Ice Blocks Carve Mars' Sinuous Dune Gullies

Ferric Hydroxysulfate Identified on Mars, Hinting at Amazonian Geothermal and Volcanic Activity

Study Pinpoints a Dry Proto‑Earth Within 3 Million Years, Bolstering Theia Water‑Delivery Theory

InSight Data Point to Solid Inner Core and Ancient Impact Debris in Mars’ Mantle

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

Lab Simulations Show Trapped Vapor Cracks Ice to Propel Cryovolcanism on Europa and Enceladus

Advanced Microscopy Reveals Fiery Origins of Apollo’s Orange Lunar Glass Beads

NASA’s MAVEN Mission Directly Observes Martian Atmospheric Sputtering