Arctic has lost more sea ice ... ice cap which would contribute to raising sea levels and changing the salinity of the sea, which in turn could alter ocean currents that help govern our climate.

The ice, some of the oldest drilled on Earth, could provide answers to the biggest remaining questions about how the planet’s climate has changed over time. “The air bubbles trapped within the ...

John Yang: Finally tonight, scientists say they've tapped into an extraordinary archive of the Earth's climate in the ice deep beneath Antarctica. They hope it'll help them understand both how ...

A core of ice extracted from Antarctica had literally frozen in time the climate of the planet going back nearly 70,000 years.