Tag: Sean Gulick
February 24, 2021
Asteroid Dust Found in Crater Closes Case of Dinosaur Extinction
Researchers believe they have closed the case of what killed the dinosaurs, definitively linking their extinction with an asteroid that slammed into Earth 66 million…
Read MoreSeptember 9, 2019
Rocks at Asteroid Impact Site Record First Day of Dinosaur Extinction
When the asteroid that wiped out the dinosaurs slammed into the planet, the impact set wildfires, triggered tsunamis and blasted so much sulfur into the…
Read MoreDecember 13, 2017
East Antarctic Ice Sheet Has History of Instability
The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice sheet…
Read MoreNovember 17, 2016
Dino-Killing Asteroid Made Rocks Behave like Liquid and Could Have Provided Habitat for New Life
A study of the massive crater that formed when an asteroid crashed into Earth 66 million years ago, wiping out all nonavian dinosaurs and most…
Read MoreMay 14, 2016
No Core Today, But Plenty of History
Today on the ferry to L/B Myrtle the drill manager came to me and my co-travellers with bad news. The drill bit had worn out…
Read MoreMay 11, 2016
Aboard the Good Ship L/B Myrtle
Yesterday I went to a museum in Merida to learn about the Chicxulub impact. Today I went right to the impact site by boarding the…
Read MoreApril 12, 2016
Geologists to drill into heart of dinosaur-killing impact
Geophysicists are returning to Earth’s most famous cosmic bullseye. Around 7 April, from a drill-ship off the coast of Yucatán, Mexico, they will start to…
Read MoreMarch 7, 2016
We Finally Know How Much The Dino-Killing Asteroid Reshaped the Earth
More than 65 million years ago, a six-mile wide asteroid smashed into Mexico’s Yucatán peninsula, triggering earthquakes, tsunamis and an explosion of debris that blanketed…
Read MoreNovember 25, 2015
Climate Change Can Tear Down Mountains
The St. Elias Mountains in Alaska are more than 5000 meters tall, testament to a tectonic plate wedged underneath the region that is driving them…
Read MoreNovember 23, 2015
Climate Can Grind Mountains Faster Than They Can Be Rebuilt
Researchers for the first time have attempted to measure all the material leaving and entering a mountain range over more than a million years and…
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