Dead star and distant black holes dazzle in x-rays

Two new views from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, showcase the telescope's talent for spying objects near and far.

These dead stars are polluted with planet debris

NASA's Hubble Space Telescope has found the building blocks for Earth-sized planets in an unlikely place - the atmospheres of a pair of burned-out stars called white dwarfs.