There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

Astronomers have wondered about the universe's first, Population III stars. Some research shows that they formed as solitary, massive stars in a smooth process.

Understanding how the universe transitioned from darkness to the emergence of stars marks a critical shift known as Cosmic Dawn. Yet, astronomers have struggled to unravel details about the first ...

An impossibly bright galaxy is forcing scientists to rewrite the rules of the Big Bang’s aftermath. Here’s what you’ll learn in this story: Scientists have found a remarkably small yet bright object ...

A radio signal from the dawn of time could help scientists weigh the first stars and reveal how they lifted the cosmic darkness.

How hidden cosmic highways feed the Universe’s biggest stars Streams of gas might lead to the rapid formation of high-mass stars. Date: August 21, 2025 Source: Kyoto University Summary: Massive ...

Some stars in the universe grow to 300 times larger our own sun. But how do they get so big, and how do they sustain their mass?

This image is from a ground-breaking simulation of the universe's primordial gas clouds. The universe's very first stars formed in these clouds. The color scale shows gas density.