Fearsome Marine Predators Prowled Ancient Rivers, Too A dental discovery in an ancient riverbed in North Dakota is shedding light on one of the most fearsome reptiles to ever swim the seven seas—the mosasaur. Nautilus Members enjoy an ad-free experience....

Fearsome Marine Predators Prowled Ancient Rivers, Too #Science #EarthSciences #Paleontology #MarinePredators #AncientRivers

A Marine Predator the Size of a Bus Patrolled Ancient Rivers 66 Million Years Ago Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

A Marine Predator the Size of a Bus Patrolled Ancient Rivers 66 Million Years Ago #Science #Paleontology #EnvironmentalScience #MarinePredators #AncientRivers

This Martian Region Is Hiding Thousands of Kilometers of Ancient Rivers In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that vast regions of the planet were once crisscrossed by flowing water. These winding...

This Martian Region Is Hiding Thousands of Kilometers of Ancient Rivers #Science #Space #PlanetaryScience #MarsExploration #AncientRivers #GeologicalMapping

Ancient Rivers in Noachis Terra Reveal Mars' Long-Lived Wet Past In the last couple of decades, evidence has accumulated showing that ancient Mars was a warm planet with abundant water flowing across its surface. The more scientists study the planet, the more evidence...

Ancient Rivers in Noachis Terra Reveal Mars' Long-Lived Wet Past #Science #EarthSciences #Geology #MarsExploration #AncientRivers

Discovery of ancient riverbeds suggests Mars once wetter than thought Scientists spot traces of 10,000 miles of rivers in area where many believed ‘there wasn’t any evidence for water’ Thousands of miles of ancient riverbeds have been discovered in the heavily cratered...

Discovery of ancient riverbeds suggests Mars once wetter than thought #Science #Space #PlanetaryScience #MarsExploration #AncientRivers #PlanetaryGeology