Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that ...

This image provided by the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) and the Dark ... cosmic microwave background radiation, supernova explosions, gravitational ...

This week brings the Hubble Space Telescope's 35th birthday – but instead of getting presents, the Hubble team is giving out ...

Scientists suggest that previously undetected hydrogen clouds could account for the untraceable half of the universe's ...

Astronomers have discovered a rare kind of galaxy that seems to be missing one of the universe’s most important ingredients: ...

By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our ...

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a ...

The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a massive, long-lost object that collided with ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

It is observed that about half of the matter cannot be occupied just by stars and galaxies. Scientists say that hydrogen gas clouds could unveil it. Missing matter of the universe may have finally ...

The halo is more extended that astronomers originally thought, and contains enough hydrogen gas to resolve the problem of the ...