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.

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 ...

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 ...

The "missing baryons problem," the discrepancy between the predicted and observed amount of normal matter in the universe, has persisted for over two decades. Scientists have previously located only ...