As organisms develop from embryos, groups of cells migrate and reshape themselves to form all manner of complex tissues.

Polar bears are leaping through their evolution in real time as rising temperatures threaten their habitat. A population of bears was found in a climate warmer than one in which they usually exist, ...

OF THEM ABOUT THIS TRADITION. FOR SOME, IT’S THE ONLY WAY TO RING IN THE NEW YEAR. JUMPING INTO THE MONONGAHELA RIVER FOR THE POLAR PLUNGE. AND REALLY, SOME HAVE BEEN DOING IT FOR YEARS. OTHERS, IT’S ...

Hundreds of people took the polar plunge at Milwaukee's lakefront. A Milwaukee alderman joined in the annual tradition at Bradford Beach. MFD paramedics were in the water in case anyone needed help.

You don’t need an official event as an excuse to take a dunk in cold water on New Year’s Day, but running frantically across the sand with a group can certainly help thrust you into the frigid waves.

FOLLY BEACH, S.C. (WCBD) – Thousands of people across the country are preparing to ring in the new year with a quick (and very cold) dip into the ocean, including here along the Lowcountry coast.

The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...

For over 45 years, the people of Austin have gathered in the early morning hours of New Years Day, no matter their state of sleep deprived or hungover from the night before, to jump into the steaming, ...

New Year’s Day Polar Bear Dips are happening throughout Ontario, offering a unique winter adventure and a chance to meet other thrill-seekers. Check them out in Toronto, Barrie, Oakville and more ...

It is now likely that the coldest period of sustained cold weather is behind us after gripping the Eastern U.S. for the first part of December. Warmer temperatures are expected for Christmas and into ...

"It's just nice to know that the bears are looking out for each other," said Evan Richardson, one of the researchers A mother polar bear in Northern Canada appears to have "adopted" a cub that is not ...