Researchers have created microscopic robots so small they’re barely visible, yet smart enough to sense, decide, and move completely on their own. Powered by light and equipped with tiny computers, the ...

Ammonia (NH3) is a colorless chemical compound comprised of nitrogen and hydrogen that is widely used in agriculture and in industrial settings. Among other things, it is used to produce fertilizers, ...

Jan. 6, 2026 Scientists are learning to engineer light in rich, multidimensional ways that dramatically increase how much information a single photon can carry. This leap could make quantum ...

The sea ice changed completely over the course of a few hours, from disconnected floes to a vast, snow-covered plain. By Raymond Zhong Most of the reserves in the country are extra-heavy oil that’s ...

Psychology is a scientific discipline that focuses on understanding mental functions and the behaviour of individuals and groups. A large, longitudinal study shows that interpersonal conflict and ...

She’s the head of NASA’s Psyche mission and director of UC Berkeley’s Space Sciences Laboratory. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this ...