The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...

The Hubble Space Telescope has imaged a "200,000 light-year-long trail of newborn stars" that may have been left behind by a ...

Related: The universe is rippling with a faint 'gravitational wave background' created by colliding black holes, huge ...

Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that existed when ...

Astronomers have discovered a supermassive black hole-powered quasar that may have ... in the form of the cosmic microwave background (CMB). However, as the universe continued to cool, more ...

LISA is set to revolutionize our understanding of the gravitational universe and the interactions that make the entire cosmos ...

Astronomers looked more closely at one of seven stars that looked like possible Dyson sphere candidates from earlier observations.

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

Making use of the Gemini North telescope, one half of the International Gemini Observatory, funded in part by the U.S.

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...