seemingly stable bubbles in ocean water and streams. This observation was initially met with skepticism, as traditional understanding suggested that such small bubbles would quickly dissolve due ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

The unusual holes in the ocean didn't reveal an underwater volcano or some hydrothermal vents, but rather something remarkable.

Decompression sickness can occur when a mammal swims to the ocean's surface too quickly, and the change in pressure produces lethal nitrogen gas bubbles that clog its blood vessels. As deep divers ...

In the 1960s, the Navy built a series of underwater habitats and trained a group of men to live in them. When our story left off, the Navy had successfully operated a Sealab 205 feet below sea level.