
Planet hunters have found hundreds of exoplanets, but none just like Earth

A high-flying satellite reveals a crowd of charged particles in the magnetosphere

Some fruit flies do fine without sleep, as long as they’ve got enough to eat

In southern Florida, giant snakes change the ecosystem one meal at a time

Flashes of light on the moon’s surface come from cooling, superhot liquid

A common, cheap element offers hope against deadly bacterial infections

Blood vessels in dog paws keep their temperature just right

Before they start talking, babbling babies ‘read’ mouths

Astronomers don’t know what dark matter is, but they have mapped where it’s hiding

Scientists find a surprise in the lens of a fish that lives in the dark