Latest Gerta Keller Stories
U.S. geoscientist Gerta Keller says she's compiled conclusive evidence that a meteorite did not wipe out the dinosaurs. Keller, a Princeton University professor, said she and her research team have disproved the popular theory that an asteroid eliminated the dinosaurs about 65 million years ago.
A Princeton University geoscientist who has stirred controversy with her studies challenging a popular theory that an asteroid wiped out the dinosaurs has compiled powerful new evidence asserting her position.
The enduringly popular theory that the Chicxulub crater holds the clue to the demise of the dinosaurs, along with some 65 percent of all species 65 million years ago, is challenged in a new paper published Monday.
A U.S. study suggests violent volcanic eruptions in India might have killed the dinosaurs 65 million years ago, not a meteor impact.
There's growing evidence that the dinosaurs and most their contemporaries were not wiped out by the famed Chicxulub meteor impact, but by multiple meteor impacts, massive volcanism in India, and climate changes.
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