For more than a century, paleontologists have treated dinosaurs and mammals as rival success stories that simply took turns ruling the planet. New work on how each group raised its young suggests the ...

A crushed skull reveals Ptychotherates bucculentus, a rare early dinosaur reshaping what we know about evolution before a ...

Dinosaur eggshells, once treated as background scenery in fossil digs, have turned out to be some of the most precise timekeepers in the deep past. By decoding the chemistry locked into these fragile ...