Space may appear timeless, but modern astronomy reveals dramatic changes unfolding across the cosmos. Using decades of ...

Though a doomed star exploded some 20,000 years ago, its tattered remnants continue racing into space at breakneck speeds – and NASA’s Hubble Space Telescope has caught the action. The nebula, called ...

The night sky appears perfectly still, but the universe is constantly changing in ways the human eye cannot see. By combining ...

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 ...

Since it first appeared in the southern night sky on February 24th 1987, Supernova 1987A has been one of the most studied objects in the history of astronomy. The supernova was the cataclysmic death ...