At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

Although black hole radiation can be catastrophic in some cases, it may assist life once oxygen has accumulated in the planet’s atmosphere.

A not-so-distant white dwarf named WD 2226-210 has been on our radar since the 1980s for releasing X-rays, now we may know ...