Stephen Hawking might be one of the most recognizable names in astrophysics, but he also had quite a few thoughts on how the world might end.

Stephen is a professional urban planner in Puget Sound with a passion for sustainable, livable, and diverse cities. He is especially interested in how policies, regulations, and programs can promote ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...