Science ❯ Astrobiology

Planetary Evolution

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JWST Maps Giant Dual Helium Tails Streaming From Ultra-Hot Jupiter WASP-121 b

Continuous full-orbit NIRISS measurements reveal persistent atmospheric escape that forces a rethink of exoplanet mass-loss modeling.

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

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris