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Jan 23, 2024 · The Bulletin of the Atomic Scientists has set its Doomsday Clock at a new time that indicates how close we are to making Earth uninhabitable for humanity.
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It was formed slightly over 66 million years ago when an asteroid, about ten kilometers (six miles) in diameter, struck Earth. The crater is estimated to be 200 kilometers (120 miles) in diameter and 1 kilometer (0.62 miles) in depth.
An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms.
Oct 20, 2023 · The most recent report of the Intergovernmental Panel on Climate Change (IPCC)—a group of hundreds of scientists working with the United Nations to analyze climate change research from around the world—names many serious risks brought on by the warming of our planet, but human extinction is not among them. 1.
Feb 15, 2021 · It was tens of miles wide and forever changed history when it crashed into Earth about 66 million years ago. The Chicxulub impactor, as it’s known, was a plummeting asteroid or comet that left behind a crater off the coast of Mexico that spans 93 miles and goes 12 miles deep.
Nov 30, 2021 · Humans Are Doomed to Go Extinct. Habitat degradation, low genetic variation and declining fertility are setting Homo sapiens up for collapse. Henry Gee is a paleontologist, evolutionary biologist...
Aug 9, 2016 · On land, at least, much of Cretaceous life may have been wiped out in a matter of hours. The heat pulse and its after-effects alone severely winnowed back life’s diversity.
