For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth ...

With studies of fossilized bones, gut contents, eggshells and more, paleontologists revealed new and captivating details ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

Dinosaur eggshells, once treated as background scenery in fossil digs, have turned out to be some of the most precise ...

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 ...

SEATTLE — The Pacific Science Center will close its doors for five weeks beginning Sept. 2, marking the end of an era as it retires its dinosaur exhibit that has entertained visitors for four decades.