In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest objects ever detected in space. The arc was discovered near the galaxy cluster ...

Supermassive black holes are some of the most powerful engines in the universe. These giants sit at the centers of galaxies, ...

Discover interesting facts about what black holes are, how they form and what would happen if you fell into one.

From the biggest black holes in the universe to what would happen if the Moon collided with Earth, this video has all of my favorite actually unbelievable space facts!

A quasar in one galaxy blasted another during a cosmic collision, compressing star-forming gas into tiny clumps too small to ...

Supermassive black holes shoot energy in bullet-like bursts rather than steady winds, affecting galaxy formation.

What if black holes weren’t the only things slowly vanishing from existence? Scientists have now shown that all dense cosmic ...