Critics say U.K. investment in research on climate-cooling interventions, such as refreezing sea ice and brightening clouds, ...

Niu worked with University of Pennsylvania physicist Randall D. Kamien and Geneviève Dion, founding director of Drexel ...

Scientists at Europe’s famous particle collider briefly created gold ions from lead in a modern twist on the alchemical goal ...

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

What Is a Galaxy? A view of the spiral galaxy NGC 3982, as seen by NASA’s Hubble Space Telescope. Galaxies come in many ...

Young people today will be exposed to a number of heat waves that no one would have experienced before the burning of fossil ...

The U.S. needs to set an example for the rest of the world by taking our nuclear missiles off hair-trigger alert and ...

The Hospital Preparedness Program helps hospitals and emergency managers save lives in wildfires, tornadoes, pandemics and ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific ...

Inuit languages really do have many words for snow, linguists found—and other languages have conceptual specialties, too, ...

A disruption in federal funds has jeopardized HIV testing and outreach in the U.S. South, and researchers warn of a ...