An international team of marine biologists has documented the highest known count of deep-sea species living in methane seeps ...

The deepest free-fall pit in the lower 48 United States, the Fantastic Pit features a staggering 586 feet (179m) drop - a ...

Life in these underworlds runs on a very different timeline to Earth's bustling surface. With no sunlight, energy is sparse ...

In practice, that means you can wander into a cave, get attacked by a mutated sentient centipede with its own generated name, ...

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.

Here are five of the most breathtaking underwater caves you need to see: One of the most famous underwater caves in the world ...

Rising mountain peaks and sharp rock formations cover the ocean floor, with corals, sponges, fish, and tons of sea creatures ...

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 ...

Scientists have made a groundbreaking discovery of a deep-sea fish that lives without a stomach ... discovered by archaeologists in Nevada cave Swiatek learns WADA's doping decision straight ...

And few places are as outlandish as the ocean deep. But deep-sea mining appears poised to get a boost from the incoming Trump administration, according to The Wall Street Journal. A string of ...

When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...