Honor all maternal figures this Mother's Day—from biological moms to aunts. Celebrate the incredible women who've shaped our ...

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

A new discovery has surfaced, wherein the first-ever solitary black hole has been revealed in the Sagittarius constellation.

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

A team of astronomers at the Space Telescope Science Institute, working with one colleague from the University of St Andrews' ...