We've always known Mars as the Red Planet - but it turns out, we may have had the reason why wrong. If so, it could revise much of what we know about the history of our smaller neighbor planet. In a ...

Dürer's 1515 star charts were a game-changer for European courts, proving an obsession with astrology is nothing new ...

Astronomers are increasingly finding planets that do not simply circle their stars in neat, clockwork ellipses but instead trace out paths that look more like intricate choreography. The latest ...

Teresa Paneque learned in September that she was a top prize winner for the 2025 Eric and Wendy Schmidt Awards for Excellence ...

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound psychological impact upon us ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

Eleven faculty members are receiving support for their work through this year’s Hellman Fellowships, and it comes right when ...

Four UC Nobel laureates on what they discovered here, why it matters, and why their world-changing work could only have ...

Clues about how galaxies like our Milky Way form and evolve and why their stars show surprising chemical patterns have been ...

A new study revisits ancient Chinese records to explore whether a comet could explain the Star of Bethlehem described in ...

Hiking trails like the Navajo Loop and Queen's Garden provide breathtaking views of Bryce's famous hoodoos.

R esearchers have calculated one of the most precise estimates for the expansion rate of the universe today, and it turns out ...