Melting polar ice is delaying the leap second by three years, pushing it from 2026 to 2029, the report found. “Part of figuring out what is going to happen in global timekeeping ...

The impacts of human-caused climate change are so overwhelming they’re actually messing with time, according to new research.. Polar ice melt caused by global warming is changing the speed of ...

An upside-down sea ice slab showcasing brine channels that facilitate the drainage of liquid brine and support convection along the interface. Polar sea ice is ever-changing. It shrinks, expands ...

Earth’s major climate goal is too warm for the polar ice sheets, study says. If Earth stays at its current levels of warming — below policymakers’ goal of 1.5 degrees Celsius — polar ice ...

Polar bear equipped with camera collar reveals details of life in the melting Arctic 04:34. Polar bears, unable to thrive on land in Canada's Hudson Bay, are facing greater risk of starvation as ...

For example, the structure of Gentoo penguin feathers repels ice, all without the fatty grease that polar bears use. [ Related: Polar bears adapted to the Arctic just 70,000 years ago . Grease as ...

Svalbard has warmed between 5.4 and 9 degrees Fahrenheit in the past half century, thinning out the ice that is crucial to polar bear survival, according to a report commissioned by the Norwegian ...

A polar bear near Kaktovik, Alaska. New research reveals how polar bears keep ice off their fur. Alan Wilson via Wikimedia Commons under CC BY-SA 3.0. Polar bears don’t have to worry about ...

Polar ice melt “has been large enough to noticeably affect the rotation of the entire Earth in a way that is unprecedented,” said Mr. Agnew, who has authored a study on the subject.

Polar sea ice is ever-changing. It shrinks, expands, moves, breaks apart, reforms in response to changing seasons, and rapid climate change. It is far from a homogenous layer of frozen water on ...