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  2. Scientists think they've found the origin of the asteroid ...

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    The asteroid that killed most dinosaurs 66 million years ago left behind traces of its own origin. Researchers think they know where the Chicxulub impactor came from based on levels of ruthenium.

  3. Tanis (fossil site) - Wikipedia

    en.wikipedia.org/wiki/Tanis_(fossil_site)

    The Cretaceous–Paleogene ("K-Pg" or "K-T") extinction event around 66 million years ago wiped out all non-avian dinosaurs and many other species. Proposed by Luis and Walter Alvarez , it is now widely accepted that the extinction was caused by a huge asteroid or bolide that impacted Earth in the shallow seas of the Gulf of Mexico , leaving ...

  4. Chicxulub crater - Wikipedia

    en.wikipedia.org/wiki/Chicxulub_crater

    This could have made the impact even deadlier by rapidly cooling the climate and generating acid rain. [42] The emission of dust and particles could have covered the entire surface of Earth for several years, possibly up to a decade, creating a harsh environment for biological life.

  5. Scientists think they know the origin of the asteroid that ...

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    Whether volcanic activity played a major role in the dinosaur extinction remains up for debate, but the German researchers did find evidence to rule out that the impactor could have been an icy comet.

  6. Scientists finally find where the object that wiped out the ...

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    In that incident, about 60 per cent of the Earth’s species including all of its non-avian dinosaurs were wiped out. Researchers believe that it led to a horrific period in the planet’s history ...

  7. Alvarez hypothesis - Wikipedia

    en.wikipedia.org/wiki/Alvarez_hypothesis

    Luis Walter Alvarez, left, and his son Walter, right, at the K–T Boundary in Gubbio, Italy, 1981. The Alvarez hypothesis posits that the mass extinction of the non-avian dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth.

  8. After 66 million years, scientists discover there wasn’t just ...

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    A six-mile-long asteroid, which struck Earth 66 million years ago, wiped out the dinosaurs and more than half of all life on Earth.The impact left a 124-mile-wide crater underneath the Gulf of ...

  9. Minqaria - Wikipedia

    en.wikipedia.org/wiki/Minqaria

    These dinosaurs would have lived in the very latest Cretaceous (Late Maastrichtian) approximately 1 million years before the K-Pg boundary and the Chicxulub asteroid impact that wiped out the dinosaurs.