Dark matter can't be too heavy or it might break our best model of the universe, new research suggests. We have an abundance ...

The visible universe is just the tip of the iceberg. Join us as we delve into the fascinating realms of dark energy and dark ...

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

"Cold dark matter sub-halos typically lack the density needed to produce the distinctive features observed in the GD-1 stream ...

Interactions between dark matter and dark photons during a "missing chapter" cosmic history could shed light on one of the most troubling cosmic mysteries.

Spur and gap features seen in Milky Way’s GD-1 stellar stream could be caused by a self-interacting dark matter subhalo. New ...

Dark matter is invisible, non-baryonic matter hypothesized to explain phenomena including gravitational lensing and galactic rotation curves. Dark energy is thought to permeate the Universe and ...

The WIMP idea is related to another idea that could explain dark matter called supersymmetry. This is essentially the idea that there is an underlying symmetry in the universe, and for every ...

The vast majority of cosmologists believe all of these phenomena can be explained through the presence of dark matter, a hypothetical form of matter that is massive, electrically neutral and ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing "break" in a stream of stars around the Milky Way could be the result of ...