Arctic sea ice is disappearing fast, and scientists have turned to an unexpected cosmic clue—space dust—to uncover how ice has changed over tens of thousands of years. By tracking helium-3–bearing ...

Interplanetary dust laced with helium-3 that has settled on the sea floor has provided climate scientists with an urgently ...

Arctic fossils reveal the oldest known oceanic reptile ecosystem from the Age of Dinosaurs. Over 30,000 specimens show marine ...

Also on this week's episode: tracking down a stellar explosion, climate apathy, arctic foxes are key in northern food web and ...

Researchers look into the amount of cosmic dust in ocean sediment cores of various areas in Arctic to figure out the area's ...

The discovery of non-cyanobacteria diazotrophs underneath Arctic sea ice could change our understanding of the food web, as well as the ocean's carbon budget.

Arctic sea ice has declined by more than 42% since 1979, when regular satellite monitoring began. As the ice grows thinner ...

The Arctic Ocean, once locked in a vault of thick, old ice, now is transforming at lightspeed. Temperatures there are increasing at up to four times the rate of the planet overall, melting sea ice ...

In a study published November 6 in the journal Science, researchers used space dust to make a 30,000-year timeline of ice ...

Melting Arctic ice is revealing a hidden ecosystem where bacteria convert nitrogen gas into nutrients, fueling algae growth. This process, previously thought impossible under thick ice, is now seen as ...