There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

The Universe is home to celestial bodies of staggering dimensions. VY Canis Majoris is a striking example. This star, located ...

By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our understanding of how the cosmos is built.

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against scientists' models of cosmic evolution.

A new batch of 15 Giant Radio Galaxies, the largest of which is 12.4 light-years wide, could help reveal how black holes and galactic mergers help the universe's largest single objects grow so large.

Some stars in the universe grow to 300 times larger our own sun. But how do they get so big, and how do they sustain their mass?