Armored catfish are driving manatees out of their warm-water refuges, putting their health at risk. Here’s why it’s happening ...

The Mariana Trench is the deepest place on Earth, and we're still in the dark about much of the life that calls it home. Here are just a few of the trench's eye-popping residents.

DEEP is building Sentinel, an underwater habitat designed for long-term ocean exploration. Learn how the innovation could change research.

While NASA was trying to put a man on the moon, the Navy was quietly conducting a series of tests to see if humans could live ...

The idea of underwater habitats dates back to the 1960s, with the experiments of Jacques-Yves Cousteau. Although these projects were abandoned, they inspired initiatives like Aquarius Reef, still used ...

Inside, the habitat resembled a modest RV, with basic amenities such as a shower, toilet, sink, dinner table, and shelves of canned food. But living underwater wasn't without its quirks.