If you live in Yellowstone National Park, you pretty much know what you signed up for, but this woman got delightful video of a bison herd marching through her town. Watch this video to see the massive creatures on the move, and see how one took full advantage of a scratching post.

Heavy rain inundated parts of southern Oklahoma Wednesday, leading to deadly flash floods. Two drivers drowned after their vehicles were trapped in floodwaters.

Some hotel guests on a remote Arctic island in the Norwegian archipelago of Svalbard recorded the jaw-dropping moment a man was chased by a polar bear. See how the chase started and you’ll learn why tourists are advised to never travel without a local guide.

We're watching for early signals ahead of hurricane season to know how much activity is expected this year. Here's how water temperatures might shift activity later this season.

Thousands of people across north Texas lost power as a supercell thunderstorm battered the region. Wind gusts over 100 mph were reported in some areas and flash floods left some drivers stranded. Watch this video for the latest.