Search Results for: Geology
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7,846 results for: Geology
- Life
Chemical evidence paved way for discovery of early life
The discovery in 1964 of compounds related to chlorophyll in billion-year-old rocks pushed back the timing of life’s origins.
- Earth
Merging magma can set off supervolcanoes in less than 10,000 years
The reconstruction of a massive eruption 4.5 million years ago near Yellowstone National Park suggests that magma chambers merging together beneath a supervolcano can trigger explosions in less than 10,000 years.
- Life
New tree of life confirms strange history of birds
A genetic analysis supports some odd groupings in the bird tree of life, showing a lot of convergent evolution in avian history.
By Susan Milius - Archaeology
Golden Fleece myth was based on real events, geologists contend
Jason’s legend grew out of long-distance trade with people who used sheepskins to collect gold.
By Bruce Bower - Animals
‘Tis the season for white-nose syndrome in bats
While bats are active, the fungus that causes white-nose syndrome stays put in the caves the bats call home in winter. New findings show how the fungus varies through the seasons.
- Climate
19th century chronicles offer clues to mystery volcano
Meteorological records narrow down the time and place of a massive volcanic eruption that helped trigger a decade of extreme cold.
By Beth Mole - Environment
No water contamination found in Ohio’s fracking epicenter
Methane in Ohio groundwater comes from biological sources, such as bacteria, not fossil fuel exploration.
- Paleontology
‘Dinosaur 13’ details custody battle for largest T. rex
Documentary details nasty custody battle over the dinosaur nicknamed Sue, the largest T. rex skeleton ever found.
By Meghan Rosen - Astronomy
Gamma-ray bursts may repeatedly wipe out life
Brief bursts of high-energy radiation may sterilize most planets across the universe, hampering the chances for widespread intelligent life.
By Andrew Grant - Astronomy
Philae lander reveals stunning, unsettling view of comet
Concerns are surfacing about the Rosetta mission lander Philae’s ability to fully explore comet 67P/Churyumov-Gerasimenko.
- Earth
Shrinking ancient sea may have spawned Sahara Desert
The Saharan Desert probably formed 7 million years ago as the ancient Tethys Sea, the forerunner of the Mediterranean Sea, shrank.
- Earth
‘Tambora’ links volcano to the ‘year without a summer’
Author Gillen D’arcy Wood links the volcano to historical changes in art, opium, cholera and more.
By Erin Wayman