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

Astronomers have discovered what could be the biggest known black hole in the universe. “This is amongst the top 10 most massive black holes ever discovered, and quite possibly the most massive,” ...

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if it's negative?

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 ...

"We've been waiting to reach this point for a long time." Using the largest catalog of exploding white dwarf vampire stars ever gathered has provided further evidence that dark energy, the mysterious ...

Related video: What’s next for Space Command? NEW YORK (AP) — The largest digital camera ever built released its first shots of the universe Monday — including colorful nebulas, stars and galaxies.

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

The most powerful digital camera ever built has released its first pictures of the universe. Beautiful galaxies shine in the images that show a vast picture of colourful nebulae and stars. They come ...

NEW YORK — The largest digital camera ever built released its first shots of the universe Monday — including colorful nebulas, stars and galaxies. The Vera C. Rubin Observatory, located on a ...