The northern lights may be visible in the United States on Black Friday. Here's what to know about visibility in Bucks County ...

Unusual vortices tied to Jupiter’s magnetic field may be driving massive formations of atmospheric haze close to the giant ...

Astrophysicists have detected the most energetic electrons ever recorded raining down on Earth. With trillions of times the ...

New research at UC Berkeley offers a fresh perspective on Uranus and Neptune's interiors, indicating layered structures of ...

"Even on this dark, overcast day, I'm generating more than I'm using." Homeowner relieved after solar panels keep lights on ...

Black Friday deals from Amazon, REI, Backcountry, and more are rolling in, and now's your time to stock up on top hiking and ...

Upgrade your gear closet during REI's Cyber Week sale. Our favorite tents, sleeping bags, backpacks, and other outdoor gear ...