Concerns about getting older and fears surrounding declining health may be connected to measurable biological changes associated with aging. Worrying about…

Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and…

Astronomers have reported one of the longest stellar dimming events ever recorded, with a Sun-like star fading by 97 percent for…

Close-up data from Parker Solar Probe is helping scientists uncover how the solar wind is heated and accelerated, improving predictions of…

Scientists have mapped a little-understood class of earthquakes that originate deep within Earth’s mantle rather than in the crust. Stanford scientists…

Birds across the planet share a learned warning cry that may echo the origins of language itself. Bird species that live…

Deadly H5N1 bird flu has now claimed its first confirmed wildlife victims in Antarctica, killing more than 50 skuas. More than…

A sweeping global effort to map the environmental roots of disease could reshape the future of health and medicine. A major…