Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

Astronomers have spied a monster radio jet in the distant universe that’s twice the width of the Milky Way galaxy. The ancient object formed when the universe was less than 10% of its current age of ...

Astronomers have discovered a staggering clutch of 15 new Giant Radio Galaxies within the "Sculptor Field" view of Australia's Square Kilometer Array Pathfinder (ASKAP) telescope. This is a big deal ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...