T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. It was 2018, and the discovery had just ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

Regulators are moving toward policies targeting ultra-processed foods, but a fundamental issue remains unresolved: what ...

Lost may have been the 2000s' most iconic series, but J.J. Abrams' other sci-fi epic ultimately outperformed it where it ...