Paleontologists have long studied the fossilized remains of animals from the Cambrian period, a time when many major groups ...

Scientists are debating the Earth's first creature, with evidence pointing to simple, sponge-like organisms emerging around ...

Deep in ancient rock, researchers have uncovered a creature so well preserved that its brain and internal organs are still ...

For millions of years, the land we now call the United States has been home to towering prehistoric beasts, strange sea creatures, and lush ancient forests that no longer exist. Evidence of this ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Qin Rao, MD, is a ...