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

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 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 ...

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

"The Sculptor Galaxy is in a sweet spot. It is close enough that we can resolve its internal structure, but at the same time ...

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

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

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 ...

Decades ago, astronomers estimated that “ordinary” matter (basically everything that isn’t dark matter or dark energy) makes ...

Bright flashes of enigmatic radio waves have helped illuminate some of the missing matter in the universe, astronomers say in ...