With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.

Want to watch the meteor showers, eclipses, and celestial events going on in 2025? Check them out from these dark sky backpacking trails.

To solve that problem, a team of German researchers at the Technical University in Berlin figured that, instead of having a ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky before they fade from view.