Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal, from before the age of the dinosaurs, was a dog-like creature that was ...

The fossil discovered is that of an extinct dolphin-like reptile estimated to have lived more than 100 million years ago in ...

A study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race. These 517-million-year-old predator-prey ...

This ancient predator-prey relationship took place 517 million years ago in the ocean that once covered the region of South Australia.

Goats, rodents and habitat loss threatened the snails on Deserta Grande Island, so the mollusks were reintroduced on a ...

Giant tracks discovered underground have offered an "extraordinary window" into the lives of the giants that roamed the Earth hundreds of millions of years ago.

A quarry in South East England has yielded a fascinating palaeontological discovery: long tracks with a total of 200 footprints left by enormous dinosaurs that roamed the earth during the Middle ...

The Biden administration released long-awaited final rules Friday for a tax credit that will send billions of dollars to ...

Florida's iconic manatees may not actually be native to the state, historical research suggests. Instead, they may have ...

Expect the return of the Zoppé Family Circus, the Tucson Jazz Festival, Dillinger Days and, by month's end, the massive gem show. Of course, things can change quickly these days. Check for the latest ...