For decades, dark matter has been the universe’s most stubborn mystery, silently shaping galaxies while refusing to show itself to our instruments. Now a bold new claim from a Japanese astronomer ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

The Nancy Grace Roman Space Telescope is being built to map the universe on a scale no previous observatory has attempted, ...

NASA’s Fermi Gamma-ray Space Telescope may have detected the first direct evidence for dark matter, according to new research ...

Unexplained gamma ray radiation coming from the edge of the Milky Way galaxy could be produced by self-annihilating dark matter particles – but the idea requires further investigation ...

If findings are correct, astronomer Tomonori Totani told Newsweek, this may finally solve "the greatest mystery in cosmology.

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

This is the light echo of the Big Bang, the first light that freely moved through the universe. This relic is crucial to our ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.