The biggest star in the universe (that we know of), UY Scuti is a variable hypergiant with a radius around 1,700 times larger than the radius of the sun. To put that in perspective, the volume of ...

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 if you zoom out to the far reaches of our galaxy, the sun no longer looks like such a giant. So what are the largest (and the smallest) known stars in the universe?

What makes a planet a planet? And what makes a star a star? Once we know this these defining characteristics, we start to notice that these definitions can overlap. Which begs the question, can a ...

Astronomers used the James Webb Telescope's NIRCam to take an image of the Milky Way's biggest remaining super star cluster.

Space & Spaceflight Mystery Object in Deep Space Is Confounding Astronomers The super-dense object doesn't quite fit with what we know about black holes or neutron stars.

Daily Telescope: A colorful star trail through the largest window in space Expect more of this later in 2024 as a veteran astronaut heads back into orbit.

When NASA's James Webb Space Telescope launches next year, it may be able to find indications of life beyond our planet in an unexpected location -- on planets which orbit dead stars called white ...

Jun 10, 2025 Largest aromatic molecule found in deep space Discovery of seven-ring cyanocoronene in a star-forming cloud challenges assumptions about the abundance and formation of complex organic ...