Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...

A stunning image of interstellar comet 3I/ATLAS reveals a vibrant, segmented plasma halo, a 'luminous plasma blaze' that left Avi Loeb speechless.

So first the Big Bang happens. Everything is incredibly hot and dense; there are photons flying everywhere, but they keep ...

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have ...