Related topics: extinction · dinosaurs · fossil record · climate change · earth

When the dinosaurs died, lichens thrived

When an asteroid smacked into the Earth 66 million years ago, it triggered mass extinctions all over the planet. The most famous victims were the dinosaurs, but early birds, insects, and other life forms took a hit too. The ...

Iguana-sized dinosaur cousin discovered in Antarctica

250 million years ago, it was covered in forests and rivers, and the temperature rarely dipped below freezing. It was also home to diverse wildlife, including early relatives of the dinosaurs. Scientists have just discovered ...

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