Luis Miguel Gutierrez Bringas, a sea-diving tour operator, captured video of a massive sunfish in its natural habitat off the coast of Mexico.

Rivers, streams, lakes, and reservoirs aren't just scenic parts of our landscape—they're also vital engines for life on Earth ...

As deep-sea robots continue to evolve, they hold the potential to discover new life forms—true deep-sea "aliens"—and unlock ...

Florida’s coastline is about to get mapped, and it’s all thanks to two unmanned surface vehicles (USVs) launched in St.