An international collaboration of physicists including researchers at Washington University in St. Louis has made measurements to better understand how matter falls into black holes and how enormous ...

Long before rockets and satellites reached space, the Crab Nebula stood out as a steady beacon of high-energy light. At its center sits a dense, rapidly spinning neutron star that turns every 33.8 ...

A balloon-borne telescope has captured one of the most precise glimpses yet of the chaotic environment around a black hole. Suspended in the upper atmosphere, the experiment focused on Cygnus X-1, a ...