Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

Black hole science in 2025 did not advance in gentle increments. It lurched forward in giant steps, from record shattering ...

QSO1. It lived just 700 million years after the Big Bang and already had a mass about 50 million times that of the Sun.

Discovered: The black hole that takes up the most space; running can hurt as well as help heart health; keep your eye on the ball is good advice after all; developing a universal cancer blood test.

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...