News

Sun sizzles in high-energy X-rays

23 December 2014 Astronomy Now

Designed to study black holes, supernova remnants and other extreme objects beyond our Solar System, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) has captured the most sensitive portrait of the Sun ever taken in high-energy X-rays.

News

Ultra-bright pulsar is an X-ray mystery

13 October 2014 Keith Cooper

Blinding bursts of X-rays are coming from a supercharged pulsar lying in a galaxy 10 million light years away, more powerful than any pulsar ever seen before. The discovery, by NASA’s Nuclear Spectroscopic Telescope Array, or NuSTAR, challenges what we thought we knew about these extreme objects.