7,733 results
- Paleontology
Acidifying oceans helped fuel mass extinction
The great die-off 250 million years ago could trace in part to hostile water conditions, a modeling study suggests.
- Life
Biology’s big bang had a long fuse
The fossil record’s earliest troves of animal life are the result of more than 200 million years of evolution.
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Letters
Earthquake rumblings I reviewed this very interesting story (“Seismologists in a rumble over quake clusters,” SN: 5/7/11, p. 5) this morning, and it occurred to me that the connection between all of these very severe earthquakes might possibly be the change in weight distribution throughout the planet, resulting from temperature increases due to climate change […]
- Science & Society
Alexandra Witze, Earth in action
Loss of eyes in the sky hurts science on the ground.
- Ecosystems
Groundwater dropping globally
Nine-year record collected from orbit finds supply dropping mostly due to agriculture.
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New Takes on Historic Quakes
Two centuries on, scientists revisit the magnitudes of New Madrid’s biggest rumbles.
- Earth
Magnitude 5.8 earthquake hits Virginia
The region's largest tremor in recent history hit northwest of Richmond, felt over much of the East Coast.
- Physics
Rare earth elements plentiful in ocean sediments
The economically vital metals could be mined from the deep sea, Japanese geologists propose.
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Loss of eyes in the sky hurts science on the ground
In a clean room at the Vandenberg Air Force Base in California sits the next great hope of the United States’ Earth-monitoring program. About the size of a minibus, it is covered in gold foil, riddled with electrical wires, and very clean. This $1.5-billion satellite is state-of-the-art, carrying five advanced instruments to measure everything from […]
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- Earth
Earthly riches heaven sent
A period of heavy meteorite bombardment after Earth's formation may have peppered Earth's outer layers with useful metals.
- Earth
Earth/Environment
Tracking carbon dioxide, fingerprinting uranium and understanding phthalates in boys in this week's news.
