Geologists study earthquake risk in a crowded country.
New intravenous vaccine prevents malaria in first tests.
Biodiversity boom in Madagascar ended long ago.
Observations of a star’s magnetic field reveal unusual behavior.
In a Chinese quarry, scientists discover the oldest known fossil primate skeleton.
Two giant galaxies combine to form a massive ellipse.
A frog declared extinct nearly two decades ago reappears in Israel.
A life-threatening disease emerges in Botswana from mongoose hosts.
Planet-forming particles swarm an unlikely star host.
After 17 years underground, red-eyed Brood II cicadas emerge.