At the edge of science and imagination lies a question once posed by a Nobel laureate and now revisited with fresh eyes: ...

While it's much smaller than the largest supermassive black holes detected, it's still a whopper considering how early in the ...

Why it matters: University of Utah astronomers have used Hubble's images to find new (ish) black holes. How it works: When it ...

They have refined the estimate of the black hole mass, ruling out the possibility of it being a neutron star. It is thought to be 7.15 times the mass of the Sun, give or take 0.83 Sun, and is about ...

Intriguingly, ultralight dark matter might be able to turn into photons (light) — and it's through this process that the ...