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Drought reveals a lost Spanish Stonehenge
Thanks to 2019's record drought in Europe, a 7,000-year-old circle of 150 upright stones is back on dry land in western Spain, after 50 years underwater.
September 26, 2019
Scientists use drones to probe earthly dust devils, with an eye toward Mars
Dust devils are common are common on Earth, but ubiquitous on Mars, a desert world. Scientists are using drones carrying cameras and other instruments to gain new insights.
September 24, 2019
Today in science: Happy birthday Albert J. Myer
As you check your local weather forecast today, give a nod to Albert J. Myer, born on this date in 1828, who helped to establish the US National Weather Service.
September 20, 2019
Summer 2019 tied for hottest on record for Northern Hemisphere
June through August 2019 was the Northern Hemisphere’s hottest summer on record, tied with 2016. Meanwhile, in the Southern Hemisphere, the same period marked the 2nd-warmest winter in the 140-year record.
September 19, 2019
Did an asteroid collision cause an ice age on Earth?
Could a collision between 2 asteroids millions of miles away cause an ice age on Earth, some 460 million years ago? A new study of earthly rocks and sediments - plus micrometeorites that fell in Antarctica - suggest it's possible.
September 19, 2019
Volcanic eruption creates moveable islands of pumice
Last month, rafts of pumice, spewed from an undersea volcano and spanning an area about the size of Washington, D.C., appeared in the South Pacific.
September 18, 2019
Tsunamis, wildfires followed dinosaur-killing impact
A new study that analyzed rock from deep within the Chicxulub impact crater helps reveal what happened within the first 24 hours after the asteroid impact that doomed the dinosaurs.
September 17, 2019
Why carbon dioxide has such outsized influence on Earth’s climate
Carbon dioxide, CO2, makes up less than one-twentieth of 1% of Earth's atmosphere. How does this relatively scarce gas control Earth's thermostat?
September 16, 2019
Plastic pollution has entered fossil record, says study
A new study has found that plastic pollution is being deposited into the fossil record, with deposits increasing exponentially since 1945.
September 12, 2019
T. rex had an air conditioner in its head
How did the huge dinosaurs stay cool? According to a new study, they did it much as today's alligators do, with a built-in 'air conditioner' on the top of their skulls.
September 9, 2019
