Namely, a group of primitive amphibians called the temnospondyls. They may have survived the Great Dying by feeding on some ...

Jason Wright works for Penn State University, where his research in the search for life in the universe is supported by internal funds, grants from NASA, and individual philanthropists.

Mixodectes belonged to an extinct family known as mixodectids and lived during the Paleocene epoch. This geological epoch ...

Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery.

New simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision ...

Archaeologists uncovered a fossilized skull of an ancient sharp-toothed predator that likely hunted early elephants and primates.

An international team of scientists has synchronized key climate records from the Atlantic and Pacific Oceans to unravel the ...