7,844 results
7,844 results for: Geology
- Earth
Eighth century carbon spike not from comet impact
The space rock would have to have been 100 kilometers across and 100 billion to 1,000 billion tons, leaving a disastrous impact not supported by geological or written records.
- Earth
The long and winding Colorado
The history of the West’s iconic river is written in the dramatic landscapes it has shaped. How to interpret that chronicle has become a contentious issue among geologists.
- Earth
Oklahoma earthquakes triggered by wastewater injection
Dumping wastewater from the oil and gas industry into disposal wells may have set off swarm of earthquakes in Oklahoma.
- Earth
Earth’s deep interior holds vast reservoir of water
Ocean’s worth of water trapped in Earth’s mantle, lab experiments and seismic data suggest.
- Planetary Science
Moon material on Earth
Scientists now think that tektites are a type of impactite, formed during the rapid heating and cooling of material ejected when a meteorite strikes Earth.
- Anthropology
Human ancestors at West Asian site deemed two species
Researchers see two species instead of one at oldest known Homo site outside Africa.
- Animals
Deadly bat disease gets easier to diagnose
White-nose syndrome in bats can be spotted with UV light, scientists have found.
- Environment
Carbon capture and storage finally approaching debut
Carbon capture and storage offers a way to rein in global carbon emissions. But financial and regulatory obstacles, as well as public fears, are delaying the technology’s long-awaited implementation.
- Climate
IPCC calls for swift switch to alternative power
Rapid adoption of green power production will be necessary to avert a climate crisis, latest IPCC report says.
- Life
The Monkey’s Voyage
By 26 million years ago, the ancestors of today’s New World monkeys had arrived in South America. How those primates reached the continent is something of a conundrum.
- Ecosystems
Dam demolition lets the Elwha River run free
Removing a dam involves more than impressive explosions. Releasing a river like Washington state's Elwha transforms the landscape and restores important pathways for native fish.
- Climate
Ocean bacteria may have shut off ancient global warming
Ocean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.
