Cloud seeding programs are now taking place in more than 50 countries across the globe, according to the World Meteorological Organization.

Drought has plagued Oklahomans periodically since statehood in 1907, and many have wanted to make it rain. Many have tried. Have they been successful? That remains debatable. The idea that rain could ...

In the height of Delhi’s oppressive smog season, as the city’s skyline disappears into a grey haze and residents gasp beneath masks and air purifiers, an unusual hope is rising from the clouds above.