It’s part of the scenario in “The Day After Tomorrow,” but scientists differ over whether or how fast it may occur. A team studying the current toils to bring clarity.

The ocean is filled with different currents, which keep the water cycling around the world. These currents don’t just move the water, however. They are also responsible for moving heat around the ...

Antarctica has long been seen as a remote, unchanging environment. Not any more. The ice-covered continent and the surrounding Southern Ocean are undergoing abrupt and alarming changes. Sea ice is ...

Straits of Florida — At 2 a.m., oceanographer Ryan Smith was headed into his 12th hour of work with little sleep when trouble started. From the rear deck of the University of Miami’s research boat, he ...

A new study analyzing chemical traces in the growth rings of clam shells reinforces growing concerns about the stability of a key North Atlantic Ocean current that helps keep the global climate ...

As the planet warms, it risks crossing catastrophic tipping points: thresholds where Earth systems, such as ice sheets and rainforests, change irreversibly over human lifetimes. Melting ice sheets in ...

A groundbreaking study in the journal Science, has unveiled how deep ocean currents—known as global overturning circulation—play a pivotal role in shaping the diversity and function of microbial life ...

The paper found that the water in the Southern Ocean has unexpectedly been getting saltier over the last 10 years, a reversal of a trend measured since roughly the 1970s. Its main author told Snopes ...

A huge stretch of the Southern Indian Ocean is rapidly losing its salt, and scientists warn this subtle shift could quietly disrupt global ocean currents and marine life in unexpected ways.