Altogether, the pieces reveal a slender tyrannosaur that roamed Cretaceous Mongolia about 86 million years ago and was about 13 feet long—or about the size of juvenile T. rex that would stalk North ...

An asteroid discovered late last year is expected to be in our neck of space in 2032. The good news? It's not coming for ...

It is now the oldest dinosaur known to have had air sacs. This fossil opens a new window into how breathing systems evolved in the earliest long-necked dinosaurs. The team from the State ...

An electron microscope image, colorized, shows different structures of pollen grains, including sunflower, morning glory and primrose. Dartmouth Electron Microscope Facility ...

When an asteroid struck Earth some 66 million years ago, the one blamed for wiping out the dinosaurs, it is believed to have sent a tidal wave crashing onto North America. Marine fossils and rock ...

When an asteroid struck Earth some 66 million years ago, the one blamed for wiping out the dinosaurs, it is believed to have sent a tidal wave crashing onto North America. Marine fossils and rock ...

(THE CONVERSATION) If pollen allergies are getting to you, you are not alone. Every year, plants release billions of pollen grains into the air, specks of male reproductive material that many of ...

Advertisement When an asteroid struck Earth some 66 million years ago, the one blamed for wiping out the dinosaurs, it is believed to have sent a tidal wave crashing onto North America.