Water temperatures have surged above 85 degrees in the Mediterranean Sea, where records have been broken every day for weeks.

However, compared to shallower waters, which are more easily subjected to changes in things like temperature, acidity or oxygen levels, these environmental changes take longer to reach the deep sea.

This story was supported by the Pulitzer Center’s Ocean Reporting Network, where Elizabeth Claire Alberts is a fellow. On ...

The deep ocean remains one of Earth’s last great frontiers — a pitch-black, high-pressure world where sunlight never reaches ...

The deep sea begins roughly 200 meters below the surface, at the depth where sunlight disappears. It makes up more than 90% of the ocean’s volume, yet most of what lies beneath remains a mystery.

NICE, France—The deep sea—Earth’s largest and least-explored biome—is taking center stage at the United Nations Ocean conference this week, where marine experts are demanding world leaders ...

"Using deep-sea mining to solve the climate crisis is like smoking to lower your stress," says Diva Amon. ... pressures are up to 110 times that of sea level, and temperatures drop to 39°F.

There is currently no commercial deep-sea mining happening anywhere in the world, though companies have been pushing for years. They appear to have found a new champion in Trump.

The NHCcontinues tracking three tropical waves that are moving west across the Atlantic and the Caribbean but doesn’t expect ...