It may have been suicidal for a predator to go after a healthy adult Brachiosaurus, a behemoth weighing perhaps 60 tons that ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

In a startling flip-flop on our perspectives on ancient civilisations, scientists have discovered baby dinosaur fossils buried in Arctic permafrost, t.

The next time you see a red-tailed hawk making lazy circles in the Colorado sky, or spy a ptarmigan foraging for seeds in the high alpine, consider yourself lucky: You just had an encounter with a ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...