Earth
- Environment
Home fires, farm fumes are leading causes of air-pollution deaths
Deadly air pollution comes from surprising sources, but toxicity of different types is still up in the air.
- Animals
Warmer waters give Arctic mosquitoes a growth spurt
Arctic mosquitoes develop faster in warmer waters, outpacing increased predation.
- Climate
Earth just had its first storm-free hurricane peak in 38 years
This year marks the first time since 1977 that September 12, the typical height of the Atlantic hurricane season, passed without a single major cyclone anywhere in the Northern Hemisphere.
- Animals
Shipwreck provides window into Tudor-era cod fishing
In the 1500s, England was feeding its navy with fish caught far from home, a new study finds.
- Climate
Burning remaining fossil fuels would eradicate Antarctic ice
Finishing off Earth’s available carbon resources would nearly eliminate the Antarctic ice sheet and raise sea levels by more than 50 meters, new research calculates.
- Earth
Earth’s magnetic mystery forces scientists to get creative
In explaining the Earth’s magnetic field paradox, scientists may discover a new question with an even more interesting answer.
- Oceans
Earth got first whiff of oxygen 3.2 billion years ago
Photosynthesis by early cyanobacteria pumped oxygen into Earth’s oceans 200 million years earlier than once thought, new geochemical analyses show.
- Environment
Molting seals shed mercury along with fur
Seals spew amassed mercury when they shed, creating hotbeds of pollution in otherwise pristine coastal environments.
- Planetary Science
The sad magnetic state of the solar system’s rocky worlds
While a strong magnetic shield protects Earth from the sun’s occasional outbursts, the solar system’s other rocky planets are mostly defenseless.
- Environment
Latest BPA replacement seeps into people’s blood and urine
Replacements for BPA called BPS and BPSIP may raise health risks for cashiers.
- Earth
The magnetic mystery at the center of the Earth
The history of the planet’s all-important magnetic field has scientists ramping up simulations and lab experiments to resolve a baffling paradox.
- Climate
Virtual twister reveals possible source of tornado longevity
First computer simulation of a long-lived EF5 tornado may reveal why some twisters stick around.
