A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further ...

Observing this distant epoch is notoriously difficult, astronomers say. At that time, the universe was filled with a dense fog of neutral hydrogen gas that blocked visible light from traveling freely ...

Globular clusters like NGC 1786 are tightly packed groups of stars, often containing hundreds of thousands of stars bound ...

Launched in 2021 after more than two decades of development, the James Webb Space Telescope (JWST) is the most powerful and advanced observatory ever created. Designed to peer deeper into space than ...

How old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...

The universe's age largely hinges on its rate of expansion. Data from the 1990s' Hubble Space Telescope launch saw estimates ranging from 7 billion to 20 billion years. It was only later that a ...

NASA released the first full-color images from the James Webb Space Telescope on Monday, images the space agency says are the deepest and highest resolution ever taken of the universe.

Today, galaxies, stars, and heavier elements fill the ... deciphering the faint whispers encoded in ancient radio signals allows researchers to peer deeply into the universe’s earliest ...

Astronomers could use specific radio signals from the universe's earliest epoch to "weigh" the first stars in the cosmos. The investigation could reveal more about the so-called Cosmic Dawn, the ...

In its first year alone, it will double the amount of data collected so far by every other instrument in the history of ...