After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

NASA selected 25 new citizen science proposals for funding that will lead to new projects and new results to look forward to ...

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...

The amorphous state of matter is the most abundant form of visible matter in the universe, and includes all structurally ...