Earth
- Earth
Buried Saharan rivers might have been early expressways
Humans might have migrated across the arid region along three once-lush waterways.
- Environment
Grain alcohol in gasoline?
An excerpt from the September 21, 1963, issue of Science News Letter.
- Earth
World’s largest volcano lurks beneath Pacific Ocean
The dormant behemoth may rival ones on Mars.
- Climate
No more Superstorm Sandys expected for a long time
Future conditions less likely to steer hurricanes directly into the East Coast, analysis suggests.
- Earth
Big canyon entombed beneath Greenland’s ice
Newly discovered chasm helps explain island's lack of subglacial lakes.
- Climate
Global warming hiatus tied to cooler temps in Pacific
Average air temperatures' rise has paused, but not stopped, because of normal variation in ocean temperatures.
- Earth
Map tracks path of dust plume from Chelyabinsk meteor
Satellite data capture how the jet stream pushed particles through the planet's atmosphere.
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- Earth
Breakups maintain barchan dune fields, somehow
Two new theories try to explain how the crescent-shaped sand mountains persist.
- Earth
Millions in China at risk of exposure to arsenic-tainted water
Simulation shows possibly contaminated areas and predicts populations at risk.
- Climate
Flood damage to cost up to $1 trillion per year by 2050
Coastal cities with growing populations will be inundated by sea level rise.
