UY Scuti is probably the biggest star ever observed, more than 1,700 times the size of the sun. ... James Webb Space Telescope reveals largest-ever panorama of the early universe.

Astronomers at the University of Hawaii uncovered black hole events so packed with energy, they were the biggest explosions ...

The universe is filled with extraordinary wonders, and among the most awe-inspiring are the truly gigantic stars that dwarf ...

But while our sun may not be the biggest star in the universe, it's certainly not the smallest, either. So, what's the smallest known star? That honor goes to EBLM J0555-57Ab, according to a 2017 ...

Which begs the question, can a planet be bigger than its parent star? ... The Biggest Planets Ever Found in Space. Posted: March 14, 2025 | Last updated: March 14, 2025. What makes a planet a planet?

Since the stars populating the cluster have a comparatively short life, scientists believe it's only around 3.5 to 5 million years old. That's pretty young in the cosmic scale.

Here’s a look at five of the biggest stars ever discovered, ranked by their size, and what makes each one so fascinating. Note: This list is based on the data presented by BBC Science Focus.

An artist’s impression of the companion object as a black hole. The bright star in background is its pulsar companion. Illustration: Daniëlle Futselaar (artsource.nl) A team of scientists found ...

Good morning. It's March 19, and today's photo comes from the International Space Station. NASA astronaut Don Pettit captured it during his most recent visit to the orbiting laboratory in 2012.

This event will occur in about 23 billion years, yet in only 4 seconds do both stars explode. University of Warwick/Mark Garlick A dramatic cosmic event is winding up to occur right in our backyard.