The Sooner State isn't exactly known for its topographic diversity, but it's geography is more varied than you think, and ...

Some beaches announce themselves with neon signs and parking lot attendants, but Gray Whale Cove State Beach near Half Moon Bay whispers its invitation from behind Highway 1’s guardrails. If you’ve ...

NASA’s Curiosity rover is investigating strange spiderweb-like ridges on Mars that may reveal a hidden chapter of the planet’s watery history. These “boxwork” formations likely formed when groundwater ...

Arizona's Meteor Crater remains 'the perfect natural laboratory' for studying what happens when meteors strike Earth, ...

A new giant long-necked dinosaur, Dasosaurus tocantinensis, unearthed in Brazil, reveals ancient land connections. Its close evolutionary ties to a Spanish species suggest dinosaurs migrated between ...

The Silverpit crater mystery in the North Sea appears to have been solved. Scientists say it was formed by an asteroid 43 million years ago.

Ancient microbial activity preserved in wrinkled seafloor sediments challenges assumptions about where traces of early life can survive.