Enormous numbers of marine and land-based plants and animals died, ecosystems collapsed and oceans acidified. What has been less clear, however, is why it got so hot and why “super greenhouse” ...

A strange crest found on ancient reptile fossils suggests birds and dinosaurs may not have the exclusive lock on feather-like ...

As we near the 25-year mark, we looked at which stocks have returned the most. Here are the 10 best stocks of the century so ...

During the Triassic period nearly 250 million years ago, a small reptile scurried after insects in the canopy of a lush ...

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating ...

Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass Extinction, or “The Great Dying,” this cataclysm wiped out over 80% of ...

As climate change threatens tropical forests, a new study shows how the loss of those forests can be devastating to life on Earth.

A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally hot for 5 million years. Researchers say they have figured out why using a ...

Paleontologist Andre LuJan had an assist from nature with his latest exciting fossil find. Heavy rains helped expose a nearly ...

Long before T. rex, the Earth was dominated by super-carnivores stranger and more terrifying than anything dreamed up by ...

Permian Resources Corporation (NYSE:PR) recently announced that it has completed the acquisition of Delaware Basin leasehold and royalty interests from APA Corporation.