Earth’s magnetic field protects life and satellites from the sun’s harmful radiation, but this effect is far from constant
The massive slabs of Earth’s crust might have started their journey more than 3.5 billion years ago
A new study hints that the most energetic particles ever seen come from far beyond the Milky Way.
As carbon dioxide levels rise, plants are sipping water more efficiently—which could come in handy in a drier future. Christopher Intagliata reports.
Geological processes send more meltwater from glaciers and ice sheets to Earth's mid-latitudes
When cattle graze the desert's natural landscape, birds face changes in food availability—and some species are unable to adapt. Jason Goldman reports.
Warmer water boosts fishes' demand for oxygen—and their bodies may shrink in response. Christopher Intagliata reports.
In 1998 an orange juice maker dumped 12,000 tons of orange peels on degraded pastureland in Costa Rica—transforming it into vine-rich jungle. Christopher Intagliata reports.
Astronomers Without Borders wants to share your used eclipse glasses with kids in other parts of the world for the 2019 total solar eclipse.
David Baron, author of the new book American Eclipse, talks about how seeing his first total solar eclipse turned him into an eclipse chaser.
A petroglyph spotted in Chaco Canyon may depict a total solar eclipse witnessed by the Pueblo people.
Sea ice is drifting faster in the Arctic—which means polar bears need to walk farther to stay in their native range. Emily Schwing reports.
In advance of the big solar eclipse on August 21, author and journalist David Baron talks about his new book American Eclipse: A Nation's Epic Race to Catch the Shadow of the Moon and Win the Glory of the World.
Errors could cause researchers to overestimate the rate of photosynthesis when water is scarce
A sedimentologist weighs in on beach selection, tools and the perfect sand-to-water ratio
A new book captures the shocking, surprising and stunning life within the Pacific
Evidence from sediment cores suggests this rich ecosystem was flooded at least twice in the past
Ecologists say wolves should be allowed to roam beyond remote wilderness areas—and that by scaring off smaller predators like coyotes and jackals, wolves might do a good service, too. Emily Schwing reports.
As polar bears are forced onto land, they're feeding on animals with less mercury—reducing their levels of the toxic pollutant. Christopher Intagliata reports.
Evaporation from overwatered lawns cost the city of Los Angeles 70 billion gallons of wasted water a year. But the city's trees were much thriftier. Christopher Intagliata reports.