Climate change in Earth's polar regions is emerging as an underrecognized driver of global health risks, with consequences reaching far beyond the Arctic and Antarctic, researchers argue. A study by ...

You might remember in science class learning about hibernation – a time when certain animals "sleep" for long periods during the winter. In reality, hibernation is much more complex than that. Are ...

The polar vortex is weakening, which means New England is in for a colder than usual December, with episodic cold snaps. Every year around this time, that phrase — “polar vortex” — starts to buzz ...

New research reveals a link between rising temperatures and changes in polar bear DNA, which may be helping them adapt and survive in increasingly challenging environments. The study by scientists at ...

Back-to-back cold blasts will last throughout much of January. Multiple rounds of frigid, arctic air could sweep across the eastern half of U.S. in the coming weeks, ushering in an abnormally cold ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

Researchers found up to 10% less genetic diversity in the last 20 years. The outlook for the survival of polar bears appears precarious as scientists learn more about factors induced by climate change ...