York College of Pennsylvania launched a Lifelong Learning Initiative for adults 18 and older, offering classes and tours.

The 2026 Gruber Cosmology Prize honors Alexei V. Filippenko, Ken'ichi Nomoto, and Stanford Woosley for their decades-long ...

David H. DeVorkin is emeritus senior curator in the history of astronomy and the space sciences at the National Air and Space Museum, Smithsonian Institution, Washington DC. What is the Universe?

The conclusion of DESI's first survey marks an important milestone for cosmology, which finds itself in a bind for the best reasons. Reading time 5 minutes Last week, the Dark Energy Spectroscopy ...

A new program about cosmology will debut at the University of Wyoming Harry C. Vaughan Planetarium during April. “We have a new presentation April 17 on cosmology,” said Max Gilbraith, the planetarium ...

This sketch is of the cosmic microwave background timeline of the universe in the Lambda Cold Dark Matter model. The accelerated expansion shown in the last third of the timeline represents the dark ...

A few years ago, the internet caught alight with talk of a “vibe shift” in what counts as cool. Skinny jeans and minimalism were out; baggy trousers and messy hair were in. Cue a minor panic for ...

Last year, cosmologists working on the Dark Energy Spectroscopic Instrument (DESI) reported hints that the mysterious dark energy thought to be driving the expansion of the universe may be weakening ...

Cosmology Careers: Cosmology is the only science that views the universe as a single, dynamic system, whereas many other sciences focus on the interior of the cosmos. It works at the most extreme ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out dozens of models that attempted to solve it. Reading time 3 minutes The ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the Atacama Cosmology Telescope (ACT), those years amount to nearly 20—and now the ...

Let's rewind the clock back…oh, I don't know, let's say a hundred years. It was 1917, and Einstein had just developed his general theory of relativity. It was a masterpiece, giving us our modern-day ...