Science

Northern lights in the American South, clusters of huge geomagnetic storms—the Sun is throwing a tantrum right on schedule.

Cliffside with Argentina's burrowing parrots, biologist Juan Masello has broken bones, crushed a vein, and nearly drowned.

Understanding the ways in which the moon has helped impact human life.

Researchers exploring the country's threatened coastal habitats discovered 'staggering' biodiversity.

The massive supervolcano eruption 74,000 years ago has been blamed for nearly killing off our species. The emerging truth is much more interesting.

The small-winged stick mantis is found throughout South America's grasslands. But in Uruguay, the population is entirely female.

Spike-toothed salmon grew nearly nine feet long and sported tusk-like teeth.

Cicada scientists share the secrets of this spring's rare double brood emergence. The last time it happened, Thomas Jefferson was president.

An around-the-world tour for Earth Day.

Bigger than the Great Wall of China, Hadrian's Wall, and the Pyramids of Giza combined, the region's ubiquitous stone walls are also a unique ecological habitat.

The deer of Nara Park are part of a millennium-old genetic lineage—does that make them more deserving of protection?

From spotting mysterious shadow bands to proving Einstein right (again), there's more to eclipse viewing than just looking up.