The sixth mass extinction on Earth is upon us, confirms an extensive new study. Here are just a handful of its victims.
The meteorite that killed off the dinosaurs 66 million years took a toll on evergreen trees.
Some scientists are arguing that humans today are wiping out animal species at a rate that matches up with past mass die-offs. Is the end nigh? Laci Green has the details.
Venezuela's first-known dinosaur provides some of the earliest evidence that at least some dinosaurs lived in herds.
The ocean is acidifying 10 times more rapidly than during a major period of global warming. Continue reading →
New evidence implicates one of Earth's biggest impact craters in a mass extinction that occurred 33.7 million years ago.
Its name might be a tongue-twister, but Leikupal Laticauda has vaulted into the upper reaches of dinosaur stardom. Why? Because it lived after almost nothing else did.
Scientists have reconstructed a long-ago asteroid impact that makes the strike that wiped out the dinosaurs 65 million years ago look like a playful chuck on the chin.
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