Science ❯ Geology

Sedimentology

Fossil Preservation Fossilization Processes Fossilization Erosion Processes Marine Sediments Marine Geology Fossil Formation Sedimentary Processes Aeolian Processes Deltas

Curiosity Images Vast Honeycomb Polygon Field on Mars

Scientists are testing several formation ideas to learn whether the patterns record past wet–dry cycles on ancient Mars.

Curiosity Captures Vast Sea of Polygonal Fractures on Mars

1.43-Million-Year-Old Footprints Suggest Paranthropus boisei Walked in Male Groups

450‑Million‑Year‑Old Crinoid Shows Rare Soft Tissue Preservation

Pterosaur Wing Yields Steroid Biomarkers and Shows Microbe-Driven Mineral Sealing

Largest and Deepest Whale 'Necropolis' Found in Diamantina Fracture Zone

New Québec Fossil Narrows Late‑Cambrian Furongian Gap

Museum ‘Mammoth’ Bones Reidentified as Ancient Whales

Mars Express Maps Dark Deposits in Shalbatana Vallis

Perseverance Shares Westernmost Selfie and Vivid Panorama From Mars

Mars’ Dark Patch Has Grown Since 1976, New Orbiter Images Show

New Study Finds Tectonic Uplift Shaped the Twelve Apostles and Pins Their Limestone at 8.6–14 Million Years

Shelf-Like Band on Mars Bolsters Case for Ancient Northern Ocean

New Evidence Points to Ancient Lake Spillover Setting Colorado River’s Grand Canyon Course

Famed ‘Oldest Octopus’ Reclassified as Nautiloid After High-Energy X-Ray Study

Scientists Confirm Massive Low-Salinity Aquifer Beneath Atlantic Off U.S. Northeast

Perseverance Radar Reveals Ancient Buried Delta Beneath Jezero Crater

Perseverance Radar Reveals Buried Ancient River Delta Beneath Jezero Crater

Storms Reveal 2,000-Year-Old Footprints on Scottish Beach Before Tides Erase Them

Scientists Recover Record 228-Meter Sub-Ice Sediment Core in West Antarctica