On occasion they get much bigger: The largest known crater from a hydrothermal explosion on Earth is in Yellowstone and measures 1.5 miles (2.4 kilometers) across, Poland said. Scientists theorize ...

This once unremarkable lake underwent a series of bizarre changes, leading to a dramatic and unexpected event.

Grotjohn was on scene when it was filmed. ITD shared some photos on Facebook from that day on Tuesday night. "The crater shoot involved a Yellowstone branded pick up and involved filming that from the ...

West Thumb Geyser Basin, along the southwest shore of West Thumb Basin in western Yellowstone Lake, is one of Yellowstone’s ...

Blue boulders have been seen on the surface of Mars in a vast crater believed to have been created by an asteroid ... The blue rock site, described as a “grab bag of geologic gifts”, has been called ...