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

Astronomers think there could be as many as 100 million black holes in our galaxy, most with a similar mass to our Sun, but they are not that easy to find. With no light able to escape them, black ...

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