For example, the cat you see hissing at other animals or cowering in the back of a shelter cage could be a purring machine ...

New research used artificial earthquakes generated by a truck with a vibrating hydraulic plate to better understand the depth and characteristics of the top of the magma chamber beneath Yellowstone ...

In another narrative twist, a handful of Democrats voted to advance some of six bills and a Democrat carried one of those bills once it was transmitted to the House.