Quick Action Let Hubble Watch the Earliest Stages of an Unfolding Supernova Detonation

Astronomers might have found the first exoplanet outside of our Milky Way. Revealed by X-rays, the bizarre world is about as big as Saturn, has lived through a nearby supernova, currently orbits a black hole or neutron star, and is destined to experience a second nearby supernova in the future.

Hubble Observes Red Giant Star CW Leonis

Hubble Space Telescope Spotted Something Scary [Video]