The Andromeda Galaxy, our Milky Way’s colossal neighbor, lies 2.5 million light-years away yet shines visibly in dark skies.

Modelling suggests that annihilation of this strange, invisible matter helps stars to retain that youthful glow.

How big is the universe? In this video, we embark on a journey from our solar system to the edge of the observable cosmos.

According to the 'Big Crunch' theory, the universe will eventually collapse in on itself in a final climactic implosion, and ...

Hubble's new image of galaxy cluster Abell 209 reveals over 100 galaxies and gravitational lensing effects from dark matter ...

A group of Manitoba researchers were involved behind the scenes of an international effort that this week revealed the first ...

Researchers will mine data from NASA’s Nancy Grace Roman Space Telescope, which will survey the same areas of the sky every ...

Recent studies indicate that there could be as many as 100 galaxies, too dim to be seen with current technological ...

If black holes weren't terrifying enough, two especially large ones are merging together, experts have discovered.

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between two individual galaxy clusters.