The cosmos has a way of rewriting its own rulebook, and a single blast of high-energy light has just forced astronomers back to the first page. Earlier this year, a gamma-ray outburst that raged for ...

Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light. Reading time 2 minutes A mind-blowing video shows the remnant of an ancient ...