Astronomers have identified what they believe to be the largest structure in the universe to date. Named "Quipu" after the ancient Incan method of record-keeping, this colossal superstructure ...

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

Mapping the distribution of matter in the universe is an important quest for cosmology and astrophysics. There is a battle ...

Fermi’s Paradox, posed in the context of alien life, now applies online as well. Trolls have pushed many of us to stay off ...