Universe

A new study suggests that billions of years ago microbes may have thrived on Mars before succumbing to freezing temperatures of their own making

A new JWST image of a star surrounded by strange, rippling spirals reveals a hidden chapter in the story of how dust spreads across the cosmos

A new playful demonstration of quantum pseudotelepathy could lead to advances in communication and computation

The death of a massive star far across the universe affected lightning on our planet and could teach us about the Milky Way

Elegant experiments with entangled light have laid bare a profound mystery at the heart of reality

Drake’s curiosity and ambition turned the search for extraterrestrial intelligence into the scientific venture it is today

The James Webb Space Telescope’s first images of the distant universe shocked astronomers. Is the discovery of unimaginably distant galaxies a mirage or a revolution?

Over 10 days, researchers participating in the once-a-decade “Snowmass process” attempted to build a unified scientific vision for the future of particle physics

Surprisingly, some worlds can survive being engulfed by a sunlike star when it swells to become a red giant

Scientific American co-presents a discussion about the past, present and future of the James Webb Space Telescope

Although Betelgeuse is currently a red giant star, astronomers millennia ago reported it as yellow

“Decolonizing” the search for extraterrestrial intelligence (SETI) could boost its chances of success, says science historian Rebecca Charbonneau