Anacondas have been among the largest snakes for millions of years, according to fossil evidence from South America. A ...

Seashells are scattered across a hillside beside an Arizona highway, and they’re older than the dinosaurs. These little brachiopods and lacy bryozoans lived in a warm, shallow sea about ...

The fossil record shows that our Homo erectus ancestors were the first hominins to show signs of adapting to life on the ...

The sudden appearance of complex animals has led scientists to argue that animals must have a “hidden history”, a period in ...

A California geomorphologist surveying a creek for a habitat restoration project noticed an unusual object lying half in and ...

Tiny microbes may help explain a large mystery in the fossil record: why soft-bodied animals were once preserved surprisingly ...

What may have looked like a cross between a platypus and a beaverlike rodent and lived around 120 million years ago?

The Sphinx is one of ancient Egypt's most enigmatic monuments, and now scientists have found that it could be hiding a very unusual secret.

A 50-million-year-old slab preserves hundreds of freshwater herring—and a window into an ancient landscape unrecognizable ...

Insects belong to a broader group of six-legged animals called hexapods. This group also includes other less well-known, ...

The roughly two- to four-pound predator lived alongside dinosaurs some 165 million years ago. A fossil found in northern ...

An ancient crocodile fossil found in the same limestone used to build the Great Sphinx has gotten a new identity.