China hopes to increasingly control when and where it rains. Ally Hirschlag examines why its ambitious cloud seeding plan is so controversial – and whether it actually works.

The currents of the oceans, the roiling surface of the sun, and the clouds of smoke billowing off a forest fire—all are ...

Multicellularity is one of the most profound phenomena in biology, and relies on the ability of a single cell to reorganize ...

If you follow the AI world on X, you’ve probably seen in recent weeks clips of video game-like worlds where users are playing as a dog on a sunny beach, a vial of poison in the play Hamlet or a pack ...