The Earth’s climate will be warmer overall in the coming decades. Warmer air can mean more winter rain, particularly at lower ...

Steven R. Fassnacht is a professor of snow hydrology at Colorado State University. Subscribe to Scientific American to learn ...

Sunshine Swetnam is an assistant professor of natural resources at Colorado State University. Subscribe to Scientific ...

Ari Sen is data editor at Scientific American, where he focuses on investigative and data reporting. He previously worked at ...

Acquiring xAI could boost SpaceX’s plans to launch a one-million-strong satellite constellation to act as an orbital data center network ...

Dozens of routinely updated CDC databases have gone quiet. Here’s what states and medical societies are doing to preserve U.S. public health ...

There’s no safe level of exposure to lead—but a small, strange study shows we’ve made incredible progress in recent decades ...

Elon Musk’s SpaceX is set to massively expand its orbital footprint in a bid to power next-generation artificial intelligence ...

After a year of protests from astronomers, authorities have abandoned plans for a giant, light-polluting renewable-energy ...

The sun is experiencing a violent solar storm, releasing one of the strongest solar flares seen in the past 30 years ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

A tiny, plant-eating dinosaur about the same size of a chicken that occupied what’s now northern Spain some 125 million years ...