Polar alignment doesn’t have to be expensive or complicated. This guide shows how a $400 mount can align itself automatically—and how you can build it yourself. Learn how the system works, what parts ...

The bears began feeding on alternative food sources, researchers found. Not all polar bear populations are declining as a result of sea ice loss, according to new research. Polar bears that live along ...

Seals favored by Svalbard bears are becoming easier to hunt as ice declines, a study found. But researchers say the situation may be temporary. By Eric Niiler The population of polar bears in Norway’s ...

The body conditions of polar bear (Ursus maritimus) populations around the Norwegian island of Svalbard have improved despite sea ice losses, according to new findings. The findings differ from ...

SAN FRANCISCO—Even as bigger players retreat from certain Medicare Advantage (MA) markets, Alignment Healthcare is charting the course for future growth with a simple mantra: Focus on the senior. CEO ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

Add Yahoo as a preferred source to see more of our stories on Google. Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season, followed ...

With over 170 million Americans facing below-average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in the feel of winter and park ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two planets host very different types of polar vortices, which are huge atmospheric ...

KENNEDY SPACE CENTER — As SpaceX launched the four-person crew of the Fram2 mission on Monday night, it was a takeoff for the history books as they will be the first humans to ever orbit Earth’s polar ...

The granddaddy of the U.S. Coast Guard fleet is marking its 50th anniversary of service by doing what it does best — breaking ice. The Polar Star, the Coast Guard’s only heavy icebreaker, arrived this ...