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

The Great Nothing, or Bhes Void, spans 330 million light years but contains only 60 galaxies, making it one of the universe’s ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A view of The Cosmic Horseshoe and its gravitational lens, in which an ultramassive black hole ...

The interactive online map, created using data from NASA's James Webb Space Telescope, details some 800,000 galaxies across a vast cosmic distance. Scrolling and zooming in can take users some 13.5 ...

The universe is a big place, and while we're still unraveling the mysteries of the early universe, the James Webb Space Telescope has given us unprecedented looks at the cosmos around our little blue ...

The team explores one of the greatest discoveries of modern astronomy - that our universe is expanding - and the new ...

"The 'missing' matter may truly be lurking in hard-to-see threads woven across the universe." Astronomers have discovered a vast tendril of hot gas linking four galaxy clusters and stretching out for ...

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

In the name of open science, the multinational scientific collaboration COSMOS on Thursday has released the data behind the largest map of the universe. Called the COSMOS-Web field, the project, with ...