Some new technology is making it possible to explore fascinating shipwrecks without having to brave the frigid waters.

Dr. Jessica Shepherd, chief medical officer for Hers, joins ABC News Live to discuss the results of the president’s physical.

"Titanic is the last surviving eyewitness to the disaster, and she still has stories to tell." In 2022, underwater robots ...

This is the first time the global shipping industry—which produces about 3 percent of the world’s emissions—will face binding ...