All Stories by Sid Perkins
- Paleontology
Feather-covered dinosaur fossils found
Scientists have uncovered a feather-laden, peacock-sized dinosaur that predates the oldest known bird.
- Paleontology
King of the ancient seas
Paleontologists discover fossilized skeleton of bus-sized marine reptile that had teeth with serrated edges.
- Life
Dino-era delivery at sea
Genetic determination of gender is linked to live birth and evolutionary success of ancient marine reptiles, study finds.
- Ecosystems
As climate shifts, birds follow
Most of the birds in California’s Sierra Nevada range are on the move in response to recent climate changes.
- Earth
A hurricane-spawned tornado boom
Cyclones striking the Gulf Coast in recent years have spawned more twisters that those that hit the region in the mid-20th century.
- Earth
Atmospheric rollercoaster followed Great Oxidation Event
Analyses of chromium isotopes in banded iron formations suggest oxygen levels fell for a period after the Great Oxidation Event.
- Earth
Danger in the Air
To minimize the threat of volcanic ash plumes to aircraft, scientists are improving methods of satellite detection and developing ground-based gas and ash-plume sensors to monitor volcanic activity.
- Planetary Science
Celestial population boom
Large meteoroids are probably more common than telescopic surveys suggest, new analyses find.
- Earth
Unusual advances
New glacier model helps explain how ice masses can grow even in a generally warming climate.
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- Health & Medicine
Better BBQ through chemistry
Food chemists reveal their secrets to juicier, tastier barbecue.
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