Science ❯ Geology

Sedimentology

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

Mars Express Maps Dark Deposits in Shalbatana Vallis

The sharpened topography helps scientists test ideas about floods draining toward a past northern sea.

Perseverance Shares Westernmost Selfie and Vivid Panorama From Mars

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

Huayuan Biota From China Unveils Deep-Water Cambrian Life After Early Mass Extinction

First Afar Paranthropus Fossil Pushes Genus’ Range 1,000 Kilometers North

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

Record-Deep Arctic Gas Hydrate Seeps Teeming With Life Confirmed at Molloy Ridge

Drone Spots Hiker Trapped in Quicksand at Arches, Rescuers Free Him in 20-Degree Cold

First Global Map Identifies 16 Mega Drainage Basins on Ancient Mars

115-Million-Year-Old Australian Shark Fossils Push Back Onset of Giant Body Size in Modern Sharks

Peer-Reviewed Study Points to Ancient Groundwater in Gale Crater, Extending Mars' Habitability

Wyoming 'Mummy Zone' Yields First Reptile Hooves and Full Duck-Billed Dinosaur Profile