Viruses that were kept in check by the polar ice box are being released. And as some animals move north to keep cool, they're bringing all sorts of parasites with them, from microbes to ticks.

Al Gore has told the U.N. climate conference that new data suggests the Arctic polar ice cap may disappear in the summertime as soon as five to seven years from now. Clicking through a slide show ...

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 ...

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 ...

Infectious diseases may be spreading more quickly, thanks to global warming. Viruses that were kept in check by the polar ice box are being released. And as some animals move north to keep cool ...

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 ...

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 ...