A recent scientific study has suggested that the first stars in the universe formed in conditions very different from what researchers had long believed. Instead of forming in a cold and quiet ...

The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new ...

The journey of the elements starts in the earliest moments of the Big Bang, when our universe was only a few seconds to a few minutes old. When you purchase through links on our site, we may earn an ...

The Big Bang theory has provided the most widely accepted basis of our understanding of the universe since it was first proposed by Georges Lemaitre in 1927. In short, it posits that all the matter in ...

A recently spotted black hole existed about 570 million years after the big bang—and may help us understand the evolution of the universe. A cropped image from the James Webb Space Telescope, part of ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

This stunning image reveals a distant galaxy cluster teeming with energy: galaxies shine in visible light (white), ghostly red clouds unveil a newly discovered radio mini-halo—the most distant ever ...

Sandro Tacchella does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...