This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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17 January 2017

How darkness and cold killed the dinosaurs

Climate scientists have now reconstructed how tiny droplets of sulfuric acid formed high up in the air after a large asteroid impact 66 million years ago. The new research shows the sulfuric acid cooled Earth’s climate for years to come.


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7 December 2011

Dino eggshells crack the case of a Cretaceous environment

Though long-gone, dinosaurs can help paint a picture of what the environment was like more than 65 million years ago. Oxygen and carbon from the food they ate and the water they drank left telltale signatures in their teeth and eggshells.


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14 November 2011

Behind the scenes at the Smithsonian

AGU’s hometown of Washington, DC, recently played host to Digital Capital Week, a week-long festival focused on bringing together designers, entrepreneurs, and social innovators of all kinds. As part of DC Week, the Smithsonian Institution offered the chance to go behind the scenes at the National Museum of Natural History for their first-ever tweetup, #SITweetup. A tweetup is when Twitter users meet face-to-face to discuss shared interests. For the #SITweetup, ten lucky people from a variety of professions were chosen randomly for a tour of the Paleobiology Department — and I was one of them!


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