NASA's Chandra telescope follows Hubble into a shutdown
The 19-year-old observatory might also be in need of a vacation.
Watch a 450-year-old supernova continue to bloom
The type Ia supernova lit up the skies in 1572.
A newsletter a day keeps the FOMO at bay.
A supermassive black hole is shooting X-rays across galaxies
Luckily, it's 500 million light years away.