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Learn about the possible factors that led to the end of the dinosaurs 66 million years ago, such as an asteroid impact, volcanic eruptions and climate change. Find out how birds and mammals filled the gaps left by the extinct dinosaurs.
31 de jul. de 2019 · Learn about the two leading theories for what killed the dinosaurs 66 million years ago: a giant meteor impact or massive volcanic eruptions. Find out the evidence, the challenges, and the latest research on this scientific mystery.
24 de mar. de 2010 · Learn how scientists discovered the Chicxulub Crater and the iridium layer that suggest a comet, asteroid or meteor hit the earth 65.5 million years ago and killed the dinosaurs. Explore other theories and evidence for the K-T extinction event.
A misconception commonly portrayed in popular books and media is that all the dinosaurs died out at the same time—and apparently quite suddenly—at the end of the Cretaceous Period, 66 million years ago.
11 de jun. de 2016 · An asteroid impact 66 million years ago caused a global catastrophe that wiped out 80 percent of life on Earth, including most dinosaurs. Learn how the fireball, tsunami, earthquake, and dust cloud devastated the planet and its inhabitants.
Learn how a massive asteroid impact 66 million years ago caused the extinction of 75% of Earth's animals, including non-bird dinosaurs. Discover the evidence, the effects and the survivors of the Cretaceous-Palaeogene extinction event.
An asteroid the size of a mountain struck near the Yucatán Peninsula 66 million years ago, causing a global catastrophe that killed 75 to 80 percent of life on Earth. The impact triggered fires, tsunamis, earthquakes, and a prolonged twilight that devastated ecosystems and species.
