What animal has the longest gestation period? From salamanders to elephants, here’s how long it can take to make a baby.

They show the gritty side of dinosaur life,” Lacovara said. “Dinosaurs were authentic beings that lived under their own ...

Some 200 million years ago, a 12-ton dinosaur that was double the size of an African elephant stomped around South Africa. In ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

Duonychus tsogtbaatari is a newly discovered plant-eater that roamed Earth tens of millions of years ago. It had a long neck, ...

Two space missions reached their conclusion: one with a splashdown, the other with a quiet lunar death. And thrilling new ...

WTOP gets a look at how a “fossil preparator” uncovers the past at the Smithsonian National Museum of Natural History in D.C.

Scientists uncover Ledumahadi mafube, a massive 26,000-pound dinosaur, shedding new light on evolution and prehistoric Earth.