Astronomers have identified a massive red giant star with a newly detected companion that appears to be stirring up trouble ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

A new paper shows ChatGPT-5 emerging as a tool that helps scientists test ideas, navigate literature and refine experiments ...

When ultraviolet light hits ice—whether in Earth's polar regions or on distant planets—it triggers a cascade of chemical ...

Astronomers are uncovering new ways to study the universe’s first stars, objects too distant and faint to observe directly, by examining the ancient 21-centimeter radio signal left behind by hydrogen ...