Cloud seeding couldn’t have caused the floods that killed more than 100 people, experts say. But rumormongers suggested a ...

A dramatic cloud formation appeared over Maryland on Wednesday night as severe thunderstorms tore through the region, triggering tornado and flash flood warnings.

All clouds need “seeds” called condensation nuclei or ice nuclei to properly develop. This could be a speck of dust, clay or ...

From a Mars rover selfie to an astronaut's view of the flower moon, these space images will give you a new perspective on our planet and our universe.