Geologically speaking, things are always changing at Yellowstone — especially in hydrothermal areas. It’s simply the nature of the complex hydrothermal system overlying one of the planet’s largest ...

Looking southeast at the hydrothermal feature that formed in August 2024 just north of Nymph Lake. Steam is emanating from a ...

We here at Cosmo have the privilege of traveling a lot (you've seen our CosmoTrips content already, right?), and have stayed in many a luxe hotel as a result. If there's one thing we've learned, it's ...

Compare the size of up to three phones side-by-side or on top of each other.