Palau, a tiny island nation in Micronesia, is famous for its mushroom-shaped Rock Islands and spectacular diving.

Masters of disguise, the leafy sea dragon is one of the trickier ocean critters to spot. Here's why these mythical-looking animals dazzle us—and how to take the perfect photo.

I explain why generations A and Z are eating rotten meat, making fun of cave explorers, showing off their emergency contacts, and becoming very emotionally invested in an angler fish.

Tesla sales careened lower in Germany in January, as sales of the electric-vehicle company headed by Elon Musk tumble across Europe. The German trade group VDA reported that Tesla new-vehicle ...

In the quantum realm, the past, present, and future blur into a boundless structure. But consciousness may operate on a plane ...

Deep beneath the mountains of southern Albania, explorers have uncovered what is now confirmed to be the largest underground ...

Horseshoe Bay Cave, located under Frank E. Murphy Park in Egg Harbor, stretches over 3,103 feet, having been carved into the ...

A South Australian sinkhole, known as the Shaft, was popular with extreme divers until four died underneath the ground due to ...

Swim through seagrass meadows, explore ancient history and observe dugongs among coral reefs — an awe-inspiring world beneath ...

This diamond-filled cave is hidden on the side of a hill. There is plenty of water around the entrance, so you can easily drop into the cave. Head left inside to find the start of a mineshaft and a ...

Florida is home to an underwater cave system that attracts divers, yet this is one of the most dangerous sites in the world.