Earth/Weather

Craters from asteroid and comet impacts could have protected primitive life.
Ker Than, Contributor
The first terrestrial animals may have been helped along by a curious confluence of events.
Ker Than, Contributor
It's time for deniers of human-caused global warming to stop using an old magazine story against climate scientists.
Peter Gwynne, Contributor
Some crops grown at elevated carbon dioxide levels have less zinc and iron.
Ker Than, Contributor
Changes in sea level repeatedly connected the Galapagos Islands and affected biodiversity.
Ker Than, Contributor
Satellite observations may tie the ground's movement to volcanic eruptions.
Sophie Bushwick, Contributor
A computer model can determine where a hurricane's surge will land.
Joel Shurkin, Contributor
After initial water escaped into space, the rest froze.
Marcus Woo, Contributor
The reptile goes thirsty for up to half a year.
Joel Shurkin, Contributor
Comparing Native American and Siberian languages suggests a 10,000-year stopover.
Ker Than, Contributor
Tree-ring data sheds light on climate change's historic and modern impact.
Marcus Woo, Contributor
Olympic athletes must consider elevation when training.
Chris Gorski, Editor