X-ray astronomy

Space XMM-Newton gamma-ray detection shows the Milky Way is bigger than previously thought

X-ray echoes from distant gamma-ray bursts helped redraw parts of the Milky Way, pushing two outer arms farther out.

Space Student astronomer discovers rare white dwarf star feeding on a red dwarf companion Joseph Shavit

Space Gamma Cassiopeiae may be hiding a magnetic white dwarf companion Joseph Shavit