States are spending millions of dollars on cloud-seeding technology, backed by new data on its effectiveness — and driven by desperation for water. By Scott Dance The president may disdain clean ...

AR aims to enhance our natural world through technology. Learn who founded Instagram and who owns it today. Meet major individual and institutional investors, plus members of the board. Virtual ...

Soil biodiversity underpins ecosystem functioning and plant health, yet the incredible diversity of below-ground microorganisms remains largely overlooked in conservation efforts. This Comment ...