Earth was a terrifying place during the Cretaceous period, some 66 million to 145 million years ago. During its tail end, Tyrannosaurus rex prowled the land. And a little before that, another kind ...

Researchers described two extinct finned octopus species from Cretaceous-era fossils, evidence that giant invertebrates ...

An octopus species that lived about 80 million years ago had a body length of up to 19 meters and was likely the top predator ...

Add Yahoo as a preferred source to see more of our stories on Google. Haliskia peterseni as imagined by artist Gabriel Ugueto. The newly identified species of pterosaur was a fearsome flying reptile ...

‘Kraken’ fossils show enormous, intelligent octopuses were top predators in Cretaceous seas Fossil jaws from colossal octopuses place them at the top of a prehistoric marine food chain ...

A UW-led research team uncovered the fossil of a 75-million-year-old mammal that was roughly the size of a golden hamster, ...

Along a meandering river in a warm and arid region that is now Thailand roughly 113 million years ago, a plant-eating ...

In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...

Southern Africa is world renowned for its fossil record of creatures that lived in the very distant past, including dinosaurs. But, about 182 million years ago, a huge eruption of lava covered much of ...

A self-appointed fossil hunter in Denmark discovered fossilized vomit from 66 million years ago. The chalky find contains portion of sea lilies likely consumed by a fish predator from the Cretaceous ...

Scientists have uncovered evidence that the vanished Tethys Ocean may have sculpted Central Asia’s mountainous landscape ...