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

Astronomers have identified Cloud 9, a nearby dark matter halo filled with gas but no stars. The discovery supports key predictions about how galaxies form and why some never do.

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Astronomers have discovered a rare starless galaxy-like cloud known as a RELHIC, providing the strongest evidence yet for a cornerstone prediction of the Lambda CDM model: that many small dark matter ...

Two galaxies that are curiously lacking in dark matter — the most abundant matter in the Universe — might have formed when a collision between dwarf galaxies separated ordinary matter from its dark ...

The search for dark matter – an unknown and invisible substance thought to make up the vast majority of matter in the universe – is at a crossroads. Although it was proposed nearly 70 years ago and ...