Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels ...

Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.

New analyses of fossilized jaws reveal that massive, kraken-like octopuses once hunted alongside other marine predators.

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Octopuses' earliest relatives may have been gigantic predators hunting during the age of dinosaurs, according to new Hokkaido ...

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 ...

For over two decades, a group of unusually small dinosaur fossils had experts scratching their heads. Once thought to belong ...

Learn about a small rodent-like mammal whose descendants survived the extinction event that killed all non-avian dinosaurs.

A nearly complete 90-million-year-old dinosaur fossil, Alnashetri cerropoliciensis, is turning evolutionary theories upside ...

DINOSAUR, Colo. — Paleontologists removed new dinosaur fossils from a parking lot construction site at Utah's Dinosaur National Monument on Friday. The National Park Service reported that the fossils ...

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.