A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

A remarkable fossil discovery in India is giving scientists new clues about how some dinosaurs reproduced. Researchers have ...

Scientists have discovered a water-bottle sized dinosaur fossil in Patagonia, Argentina. The tiny predator lived 95 million years ago and ranks among the smallest dinosaurs ever identified.

Explore ancient dinosaur tracks at Red Fleet State Park, Utah, where footprints from the Early Jurassic period offer a ...

The tiny remnant belongs to Purgatorius, one of the earliest known relatives of all primates, including humans, which first ...

Learn how the tiny dinosaur fossil from Patagonia reshapes alvarezsaur evolution and their unusual digging claws.

A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.

For years, we suspected that Alvarezsaurids underwent a rare process of evolutionary miniaturization directly coupled to a ...

Add Yahoo as a preferred source to see more of our stories on Google. ST. GEORGE, Utah (ABC4) — Fossil finding tours have returned at the St. George Dinosaur Discovery Site. This is your opportunity ...

The 90-million-year-old fossil of a tiny bird-like dinosaur has rewritten history, say scientists. They described the ...

The remains of the fearsome Spinosaurus mirabilis have been waiting for eons to be discovered in a Sahara Desert fossil bed.

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.