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