During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

Simulating a billion years using previous best-resolution simulations would take almost 36 years of real computing time.

Observing the Universe often means contemplating phenomena that occurred millions of years ago. But sometimes, the opportunity arises to capture a cosmic event almost in real-time, as if we ...

The Milky Way has just been reconstructed in unprecedented detail, with artificial intelligence helping astronomers track the ...

Over the course of billions of years, the universe has steadily been evolving. Thanks to the expansion of the universe, we ...

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 ...

A star projector shows stars in the night sky against an orange backdrop in the De Anza College’s Fujitsu Planetarium in Cupertino on Oct. 31, 2024. Photo by Magali Gauthier. On a recent evening, ...

When this shock reaches the surface, it releases an enormous burst of energy. The star brightens dramatically, becoming visible as a supernova. For a short period, astronomers can study the initial ...

Astronomers at the University of North Carolina at Chapel Hill have discovered that the famous Pleiades star cluster, the ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting ...

The 51st season of the Snowmass Rodeo came to a close on Wednesday with the final event of 2025.

From ancient civilizations charting the stars to modern-day horoscopes guiding daily decisions, our relationship with the cosmos is as complex as it is enduring. But how well do you really know the ...