Several of the Earth’s systems are changing faster than predicted as global temperatures rise, scientists say. By David Gelles Scientists who study global warming are currently wrestling with a ...

March 25, 2026 • On Monday, Sen. Markwayne Mullin was confirmed as the newest head of the Department of Homeland Security, replacing Kristi Noem. It's an enormously consequential role that involves ...

Genetics is the branch of science concerned with genes, heredity, and variation in living organisms. It seeks to understand the process of trait inheritance from parents to offspring, including the ...

On February 28, the day that bombs started falling on the Islamic Republic, a man’s voice began broadcasting in Farsi on a shortwave-radio frequency. He announced himself—“Tavajjoh! Tavajjoh!” ...