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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
Yellowstone’s Steamboat geyser breaks record
With 33 eruptions as of August 27, Steamboat geyser in Yellowstone National Park is having an exceptionally active year.
September 8, 2019
Monster penguin was as tall as a person
An extinct species of giant penguin – over 5 feet (1.6 meters) tall – has been identified from fossils found in New Zealand.
September 6, 2019
Hurricane Dorian: Why it’s so destructive
Dorian, the 2nd most powerful Atlantic hurricane on record, has devastated the Bahamas, with the death toll expected to rapidly rise as rescue work gets under way.
September 4, 2019
Wow! Night skies and petroglyphs
Gorgeous night skies over North America's best petroglyphs and ruins - and don't miss 2018’s Super Blue Moon lunar eclipse (at 1:03) - in Skyglow's newest video.
September 4, 2019
