deep time
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Mysterious Moon Scars Could Rewrite Earth’s History
Four billion years ago, an endless barrage of space rock pummelled the surface of the Earth and the Moon, in a period known as the Late Heavy Bombardment. Now, astronomers have performed a detailed analysis of one of the most famous craters from that time, and what they have learned could rewrite the most violent…
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We Might Be Totally Wrong About Why The Dinosaurs Went Extinct
How the dinosaurs went extinct is a contentious topic of endless scientific debate. Were they killed by a giant asteroid, a rash of volcanic eruptions or some deadly combination of the two? Or, perhaps, we’ve been thinking about the problem all wrong.
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It Looks Like Climate Change Drove These Giant Marine Reptiles To Extinction
A hundred million years ago, ichthyosaurs — massive marine reptiles that look like a dolphin mated with a fish — ruled Earth’s oceans. But nearly 30 million years before the extinction of the dinosaurs, these majestic predators vanished. It wasn’t an asteroid that killed the ichthyosaurs, so what did?
