A look back at 25 years of the Hubble Space Telescope

The space telescope created by NASA and ESA has taught us countless things about the universe that surrounds us, and its breathtaking images have inspired a whole new generation of scientists. (And yes, they also make great computer wallpapers.) For much of Hubble’s early life in space, however, it was easy to look at the […]

Astronomers Watch a Supernova and See Reruns – NYTimes.com

In the 1993 Bill Murray movie, a weatherman finds himself reliving the same day over and over again. Now astronomers using the Hubble Space Telescope say they have been watching the same star blow itself to smithereens in a supernova explosion over and over again, thanks to a trick of Einsteinian optics. The star exploded […]