The aforementioned models of the cosmos, including the standard model of cosmology, have long posited the idea that the ...

Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, ...

An international team of astronomers reports the detection of a peculiar merger of two similar ring galaxies that ...

The monsterous 85-mile-wide comet C/2014 UN271 isn't just the largest icy rock in the Oort Cloud, it's the second most ...

Astronomers have created a galactic masterpiece: an ultra-detailed image that reveals previously unseen features in the ...

Astronomers have revealed a nearby spiral galaxy in all its brilliant glory, shining in thousands of colors. The dazzling ...

Astronomers have produced the most detailed map yet of the Sculptor Galaxy, revealing hundreds of previously unseen celestial ...

Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical ...

The universe has two kinds of matter. There is invisible dark matter, known only because of its gravitational effects on a ...

UC Berkeley astronomers found a hidden black hole roaming far from the galaxy’s core. It may eventually merge with the ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast ...

Astronomers have created the most detailed image of a galaxy of its kind ever seen. The “incredibly detailed” picture shows ...