An alien-themed balloon installation is seen during the World Balloon Festival in Warsaw, Poland, May 15, 2026. The festival ...

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 ...