Ordinarily, underwater ROVs (remotely operated vehicles) and AUVs (autonomous underwater vehicles) are designed to be neutrally buoyant. This means they neither sink to the bottom nor float to the ...

A massive underwater volcano off the Oregon coast is showing alarming signs of activity. The Axial Seamount, located nearly a mile beneath the Pacific Ocean, is inflating "like a balloon" as molten ...

What happened when we tried a balloon experiment underwater What was meant to be a fun science test underwater became a hilarious surprise. We tested how a balloon behaves underwater. The results ...