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

WASHINGTON, Feb 25 (Reuters) - In Argentina's Patagonia region 95 million years ago, some huge dinosaurs roamed the landscape ...

“This study demonstrates that eggshell biocalcite from non-avian dinosaurs, birds, and other egg-laying vertebrates has the ...

Add Yahoo as a preferred source to see more of our stories on Google. Fossil quarry hall at Dinosaur National Monument in Utah, July 6, 2013. (David Fulmer via Flickr CC 2.0) Construction crews have ...

Add Yahoo as a preferred source to see more of our stories on Google. New dinosaur fossils were discovered at the Dinosaur National Monument, leading to the first excavation there in more than 100 ...

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

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.

An unprecedented fossil of a baby dinosaur curled up perfectly inside its egg is shedding more light on the links between dinosaurs and birds. The 70-million-year-old fossil preserves the embryonic ...

The fossil, dubbed “Trey,” will be open for bidding from March 17 to 31 on Joopiter, an online auction platform founded by ...

A new “apex predator” dinosaur species has been discovered based on its fossil, unearthed in Argentina with a crocodile bone stuck in its jaws. The species has been named Joaquinraptor casali, and was ...

Scotland's earliest and most complete dinosaur fossil has been formally identified and described, marking a milestone in paleontological research. The fossil, known as the Elgol dinosaur, has been ...

One of Colorado's most astonishing and coincidental fossil discoveries was found earlier this year, right beneath the parking lot of the Denver Museum of Nature & Science, museum officials announced ...