Researchers explain how nitrate from farming and fish ponds moves through water and pollutes freshwater lakes.

A countdown of the year's most important tech and gadget releases, including new gear from Apple, Hasselblad and more.

China has begun constructing the Yarlung Tsangpo Hydropower Project in Tibet, poised to become the world's most powerful ...

In recent weeks, powerful atmospheric river storms have swept across Washington, Oregon and California, unloading enormous ...

A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why ...

While the total volume of attacks has seen an unprecedented increase, the speed of these attacks is the defining metric. The ...