Pro tip: When dressing for a cold-weather workout, opt for many light layers that you can shed as you inevitably warm up, says Rothstein. If you feel like you're overheating, take off a layer, but don ...

One of 15 marmot species, the largest members of the squirrel family, groundhogs are found all the way from the middle of the U.S. to the East Coast and up into Alaska and Canada, showcasing their ...

A much wetter stretch is ahead from California to Washington as multiple systems crash into the Pacific Coast. Here’s how much rain and snow is on the way and when.