From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...

A massive gravity anomaly beneath the Indian Ocean, known as the Indian Ocean Geoid Low, has baffled scientists for years.

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One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one day. Here’s what scientists are saying.

Crashing waves, glistening sea spray, a calm expanse of deep blue. These are the images that open “Ocean with David ...

The Atlantic Ocean may have formed millions of years earlier than previously thought, igniting a period of climate change, scientists found.