IceCube search for cosmogenic neutrinos favors heavy nuclei cosmic-ray sources

Black holes identified as major cosmic ray source in China's LHAASO observatory

🔦 New data from NASA’s NuSTAR space observatory indicate that cosmic X-ray emitters called ultraluminous X-ray sources may look dramatically different based on whether they point toward or away from Earth. go.nasa.gov/3wpxCdL | NASA Jet Propulsion Laboratory