This story is part of our weekly Hidden Gems feature series as the USA TODAY Network – Florida takes readers around the state to highlight some of our most interesting attractions. When people ...

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

The substance can contain up to 1.5 percent water, and if the ringwoodite under the surface has just one percent water in its ...

Dozens of companies and academic groups are pitching the same theory: that sinking rocks, nutrients, crop waste or seaweed in the ocean could lock away climate-warming carbon dioxide for centuries or ...

"The ocean can be a great danger ... The type of land that’s underneath the water rocks, depending on the shoreline, and just the vast majority of it," Thomas Deangelis, the deputy chief ...