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 ...

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 ...

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 ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season, followed by some of the coldest temperatures seen in years. The storm began out ...

A forecast map reveals which states can expect to see "persistent cold" in the weeks ahead, after experts said the polar vortex would unleash waves of icy air across parts of the U.S. through January.

Forecasters say that the polar vortex will usher in waves of frigid air across parts of the U.S. through January. The "more active polar vortex will drive colder air and snow across the central and ...

NEW YORK (PIX11) – After a powerful winter storm delivered heavy snow and high-impact conditions across the tri-state area, attention is already turning to what may come next. Another chunk of the ...

Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...