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 ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the width of the sun. If it were placed in our solar system, it would stretch to ...

In fact, the Euclid Consortium, the international group managing the European Space Agency's Euclid space telescope, just ...

A team of astronomers took an actual photo of the first-known baby planet discovered in a gap of a star's protoplanetary disk ...