LOS ANGELES — Astronomers have spotted the largest and most distant flare ever observed from a supermassive black hole. Nicknamed "Superman," the flare originated 10 billion light-years from Earth, ...

A brief blaze of gamma and X-ray light that lit up Earth telescopes in November 2024 may have come from an unexpected source. Just a few seconds earlier, from the same tiny corner of the sky, ...

Imagine looking up at the night sky and learning that a black hole is racing toward Earth at nearly the speed of light. Not a ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have detected what may be the most massive black ...

It’s nearly 10 billion light-years away, and you won’t see it in the night sky, but the explosive collision of two massive black holes detected in 2023 has created a third one, with 225 times the mass ...