Dark matter could be made up of ultralight dark photons that heated up our universe: this is a new scenario proposed in a recent study.

Astronomers have for the first time discovered what may be a free-floating black hole by observing the brightening of a more distant star.

The more humanity tries to do more with data, the more it’s evident that the most urgent questions won’t get answered easily.

When tiny galaxies collide with bigger ones, the bigger galaxies can strip the smaller galaxies of their dark matter which we can’t see.

Unexplained results from the XENON1T experiment may have been caused by dark energy, and not the dark matter the experiment tried to detect.