Lightning ignited two wildland fires on the Colorado Plateau near the Grand Canyon in July 2025 that grew to become large and disruptive. 

An alga that threatens freshwater ecosystems and is toxic to vertebrates has a sneaky way of ensuring its success: It suppresses the growth of algal competitors by releasing chemicals that deprive them of a vital vitamin.

A new study indicates that forests, prairies and other natural areas around the globe acquire less nitrogen than previously estimated.

Climate change can make weather events more extreme—from droughts and wildfires to heat waves and major storms.

Across the globe, oceans are acidifying as they absorb carbon dioxide from the atmosphere, threatening coral reefs and many other marine organisms.

International study highlights potential of fast-charging lithium-sulfur batteries for e-mobility and the energy transition.

Scientists predict one of the major surveys by NASA’s upcoming Nancy Grace Roman Space Telescope may reveal around 100,000 celestial blasts, ranging from exploding stars to feeding black holes. 

In a major clinical study, the tool boosted productivity by up to 40 percent without compromising accuracy.

The profusion of hummingbird feeders in California homes has not only allowed some hummingbirds to expand their range, but has also altered the shape of their beaks.

The Southwest United States is currently facing its worst megadrought of the past 1,200 years.