The discovery of a new type of supernova illuminates a medieval mystery.

Arts & Lectures’ annual summer slate of free films celebrates the ’80s and ’90s.

Anthropologist Elana Resnick explores how a “racialized Anthropocene” affects Bulgaria’s Romani.

Astronomers have discovered a new type of supernova, or star explosion, and it provides a new window into the violent life cycle of stars. The new research, focused on supernova 2018zd, confirms a prediction made by University of Tokyo astronomer Ken’ichi Nomoto more than 40 years ago.

Omar Akbari, an associate professor of cell and developmental biology at UC San Diego, admits he loses sleep thinking about the next pandemic — and how it could be so much worse than COVID-19.

The bipartisan deal is a disappointment on climate change, but it’s only part one. Here’s what could come next.