The fast-moving gas cloud could help explain the so-called missing satellite problem, if the object is what scientists think ...

"No existing galaxy formation model within our standard cosmological paradigm can currently explain how this galaxy came to ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

The rotating disk galaxy, mostly made up of dark matter, was discovered within a larger cloud of fast-moving hydrogen gas.

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

An extremely bold hypothesis proposes transient temporal singularities remove the need for dark matter and dark energy.

Ricardo Hausmann warns that abandoning openness could jeopardize vital income streams and leave the US economically isolated.