A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

Astronomers have discovered an extremely faint, low-mass object in the distant cosmos, raising suspicion that it could be made up of dark matter, the elusive substance that makes up nearly 30% of the ...