It may well take years to prove, but a pair of University of Miami astrophysicists could be on the verge of a cosmic ...

An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon ...

A team of astronomers have studied two black holes that merged into a massive new one, confirming a 50-year-old theory that ...

A view of the central region of the Perseus galaxy cluster, one of the most massive objects in the universe, shows the ...

There are other ways of making these mindless eating machines, as well, including smashing neutron stars together, letting ...

In 1916, only a year after Albert Einstein had published his general theory of relativity, Karl Schwarzschild used mathematical calculations to show this: If sufficient mass could be placed into an ...

Black hole growth peaked about 10 billion years ago during a period known as the 'cosmic noon.' ...

Did primordial black holes born during the Big Bang swallow the universe's antimatter, allowing matter to dominate the cosmos ...

An international team led by a researcher at the Chiba Institute of Technology has discovered an extremely rare phenomenon: a ...

Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals, more ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...