A sudden loss of visibility, just a few seconds to decide, and an instinctive reaction that can have serious consequences.

Researchers have developed a high-throughput analytical method using UV-derived light scattering to monitor the separation of ...

A cloud-seeding experiment by San Francisco start-up Rainmaker produced 19 million gallons of water over Homer, Alaska, in ...

For decades, scientists have been tinkering with ways to force clouds to make it rain—or snow. One company says it’s approaching a breakthrough.