Spring is on the way—and so are many birds.

Studying a rare autism disorder using mice engineered with a teen’s mutated gene

Scientists thought this meteorite proved life on Mars, but study says otherwise.

Hong Kong officials cull 2,000 animals after hamsters contract COVID-19.

Tuskless elephants survived poaching and passed genes to offspring.

Jupiter’s monster red spot storm is surprisingly deep.

The EPA overturned the approval of the Mississippi Yazoo Pumps Project.

Atmospheric rivers routinely wallop North America—and supply vital rainfall.

Horseshoe crab blood helps keep medical supplies safe—but does nature suffer?

Potty-training cows is faster than potty-training toddlers, say researchers.