More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...

Mount Everest’s towering height isn’t shaped by tectonic forces alone. Its continued growth owes a quiet debt to nearby ...

Arizona's bald eagle population is soaring, thanks to decades of conservation efforts. But protecting these majestic birds is ...

After a Chicago-sized iceberg broke off an Antarctic ice shelf in January, scientists discovered a thriving ecosystem never ...

Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different ...

The newfound ecosystem is filled with sea crabs, octopuses and gigantic sponges, suggesting it may have been thriving for ...