Somewhere in Earth’s past, some branches on the tree of life adopted a body plan that made breathing and cooling down considerably more efficient than how mammalian bodies like ours do it. This ...

Researchers have conducted what could be the largest study ever of dinosaur poop. The findings shed new light on how dinosaur's diets allowed them to dominate the planet. The analysis of hundreds of ...

The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're either not preserved or hard ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...