The Cretaceous-Paleogene mass extinction, occurring approximately 66 million years ago, represents one of the most dramatic biotic crises in Earth’s history.

Yale University ecologists reveal a lizard lineage that rode out the dinosaur-killing asteroid event with unexpected ...

Then, a six-mile-wide asteroid struck Mexico’s Yucatán at 43,200 mph, releasing energy beyond all human-made explosives combined and reshaping life on Earth. Unlike many species that survived the ...

Yucatan's Chicxulub crater marks one of our universe's most momentous historical events: when an asteroid strike killed 75% ...

Paleontologists have found fossilized remains of a giant possum-like mammal that lived 60 million years ago. The fossils, ...

They say everything's bigger in Texas. And that appears to be true, at least in the case of a group of ancient ...

Stanford study shows ocean biomass has risen over 540 million years, linking biodiversity to long-term ecosystem health.

A team led by University of Kansas paleontologists discovers a giant prehistoric predator in Texas’ Big Bend National Park.

Shell-rich rocks trace a mostly upward climb in ocean life, with each mass extinction slashing both diversity and biomass ...

Most foraminiferan species reside on the seafloor, but paleontologists are particularly interested in planktonic species, ...

Researchers found that night lizards survived the dinosaur-killing asteroid strike at the end of the Cretaceous, despite ...