A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

Researchers created 3D models of ancient tracks in Oregon’s John Day Fossil Beds National Monument. The study revealed a ...

They’re like terrifying versions of crabs, with a sort of gravitational attraction to the same body form again and again.

Ancient giant crocodiles that rivaled dinosaurs once thrived in North America. A new study led by Hungarian researchers ...

Scientists revisited tracks made by a shorebird, a lizard, a cat-like predator and some sort of large herbivore at what is ...

A fossilised 113-million-year-old hell ant from Brazil adds to the evidence that the first ants evolved in the southern ...

A prehistoric hell ant that lived among dinosaurs 113 million years ago had an unusual way to kill its prey and sheds new ...

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

Pulitzer Prize-winning author Greg Grandin joins Morning Joe to discuss his new book 'America, América: A New History of the ...

Ingrida Domarkienė, a geneticist at Vilnius University in Lithuania, discusses the exciting developments made possible by ...

From silent epics to 3D spectacles, these 11 movies ruled the global box office. Which one still holds the top spot today? Find out.