Thermal underwear goes by many names, from base layers to long underwear, and has more uses than we sometimes think. A good set of thermal underwear is essential for skiing, winter hikes, and camping, ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A newly formed thermal feature has been discovered in the Porcelain Basin area of Yellowstone National Park's Norris ...

There’s something new in Yellowstone National Park, and it’s hot and corrosive. It’s also “been sneaking up on the park for the last 20 years” and has grown to be the size of four soccer fields, said ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone's Clear Lake Trail has been temporarily closed to protect the public from hazards ...