Monster black holes entered the cosmic scene soon after the Universe’s birth and grew rapidly, reaching millions or even ...

Physicists agree that an awful lot went on in the first few seconds after the Big Bang, a lot of it in incomprehensibly tiny ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a ...

Cosmologists have traced the Big Bang’s earliest moments with great care, from the explosive inflation that set spacetime in ...

Black holes could soon help us understand dark matter. These extreme objects, long considered light traps, are now becoming observational tools. Through finer analysis of their images, scientists hope ...

Artist's impression of a microlensing event caused by a black hole observed from Earth toward the Large Magellanic Cloud. The light of a background star located in the LMC is bent by a putative ...

A mind-bending hypothesis is gaining traction among scientists: The universe may be teeming with microscopic black holes the size of an atom, but with the mass of a city-sized asteroid. Created just a ...

Astronomers have discovered a black hole so mind-bogglingly large, trying to get a grasp of how big it really is could induce an existential crisis. The latest, still-unnamed black hole is lurking ...

This so-called tidal disruption event is the best way to spot these middle-mass black holes. A rogue, middle-mass black hole has been spotted disrupting an orbiting star in the halo of a distant ...