An international team of scientists used synchrotron radiation to image and analyze fossilized fish from the Tanis deposit in North Dakota. Some 66 million years ago, a catastrophic event wiped out three-quarters of all plant and animal species on Earth, most notably taking down the dinosaurs. The puzzle of why so many species perished while […]
Tag: chicxulub
Astronomers: A comet fragment, not an asteroid, killed off the dinosaurs
Harvard astronomers have a new theory about the origin of the comet that led to the extinction of the dinosaurs. Some 66 million years ago, a catastrophic event occurred that wiped out three-quarters of all plant and animal species on Earth, most notably taking down the dinosaurs. An errant asteroid from the asteroid belt has been […]