A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific ...

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first ...

NASA's James Webb Space Telescope is helping scientists make discoveries that could alter theories about the universe's ...

This newly-discovered quasar is incredibly far away — approximately 13 billion light years — which means that we’re witnessing what it looked like back in the very early days of the universe ...

The universe’s brightest object is a quasar in a distant galaxy that’s powered by the fastest-growing black hole ever recorded, according to a new study.

You'll need more than sunglasses to look at this shiny object in the sky. The brightest object in the universe has been discovered, a quasar from when the universe was just 7 percent of its ...

The universe’s brightest object is a quasar in a distant galaxy that’s powered by the fastest-growing black hole ever recorded, according to a new study.

If we include in our definition of the Universe everything that has happened in the past, then the hottest object in the Universe was the Big Bang itself.

Spotted when the universe was just a tenth of its current age, the individual galaxies in this pileup will eventually combine into one gargantuan galaxy, the most massive in the universe.

There's nothing like staring up at the night sky to make you feel small. But when looking out into the cosmos, you might also wonder: What is the most massive known object in the universe?