Commentary: We have people promoting conspiracy “theories” for a variety of reasons. The one thing they all have in common is the lack of verifiable evidence.

Marine fossils discovered near the summit of Mount Everest reveal that the world’s highest mountain was once part of an ancient ocean floor before tectonic collisions lifted the Himalayas.

For centuries, Plato’s Atlantis was dismissed as allegory. But modern oceanography tells a more complicated story. Rock samples from the Azores Plateau — now 3,000 feet underwater — show evidence of ...

About 1000 kilometers off the coast of Portugal, hidden beneath the surface of the Atlantic Ocean, lies one of the most interesting geological features on Earth. Stretching roughly 500 kilometers, the ...

Accelerating sea level rise driven by warming oceans and melting ice threatens coastal cities worldwide, placing up to a billion people at risk before the end of the century.