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

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

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

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

In a first-of-its-kind study, Stanford researchers have measured how the abundance of ocean life has changed over the past half-billion years of ...

The fossils, found at Big Bend National Park in Texas, belong to a group of ancient near-marsupials from the Paleocene period ...

Discover the largest ever prehistoric possum fossil found in Texas.

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

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

The Cretaceous period is known for the K-Pg extinction event. This event happened approximately 66 million years ago. During this time, many invertebrates and large vertebrates became extinct.