By combining data from NASA’s IRAS and NuSTAR telescopes, scientists have uncovered more hidden supermassive black holes than earlier estimates suggested. Their findings indicate that over a third of ...

Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

Black holes have long been the ultimate cosmic enigma, defying conventional physics and pushing the boundaries of what we ...