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 ...

Black holes in a pair of merging galaxies, known as UGC4211, are devouring gas and dust that is "being displaced by the ...

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

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

Using Event Horizon Telescope observations of M87's black hole from 2017, 2018 and 2021, "astronomers have found some changes ...

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

How does a black hole generate a magnetic field and how can it be measured and visualized? Alan CroftSeattle, Washington As ...

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

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

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 ...