Researcher Matthew Graham said scientists didn't initially "believe the numbers about the energy" emitting from the cosmic ...

Twin black hole collisions detected in 2024 have provided the sharpest-ever test of Einstein’s theory while revealing new details about how black holes form and spin.

In a new study published in the journal Physical Review D, a team of scientists reveals cosmic giants may have formed within ...

A tiny fraction of known black holes emit X-ray signals that resemble a human "heartbeat." Now, new research may finally explain the strange phenomenon. Stars that wander too close to supermassive ...

Black holes are one of the universe’s most enigmatic phenomena. They defy our understanding of physics, challenging our perceptions of reality with their extraordinary characteristics. As astronomers ...

The oldest and most distant black hole known to scientists dates back 13.3 billion years ago, when our universe was still in its teething stage, according to findings published this month. The ...

Black holes can’t be formed from pure light. Quantum physics would curb their creation under any foreseeable conditions, a new study suggests. Typically, matter is responsible for black holes. They’re ...

An artist's conception of the distant black hole LID-568. Credit: NOIRLab / NSF / AURA / J. da Silva / M. Zamani The powerful James Webb Space Telescope has revealed a phenomenon once thought ...

Wednesday, Jan. 8 and 15, 2025 at 9 p.m. on KPBS TV / Stream now with the PBS app —Discover how scientists are revealing new clues to the strangest and most extreme objects in the universe— They are ...