This pulsar aims high — it emits more energetic X-rays than Andromeda’s supermassive black hole.
Meet “Bob,” the second Type Ia supernova in the galaxy since 2013
This pair is the tightest such binary identified in the Milky Way.
Could galaxies cause black hole formation in their neighbors?
Astronomers have spotted dust from some of the universe’s earliest supernovae, which are responsible for the elements in our Sun and solar system today. The answer is not Joni Mitchell.
Long purported as possible proof of dark matter, an observed excess of antimatter might actually be due to pulsars instead.