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Sep 26, 2019 · SCIENCE. EXPLAINER. What are mass extinctions, and what causes them? In the last 500 million years, life has had to recover from five catastrophic blows. Are humans dealing the planet a sixth? By...
Sep 29, 2021 · The Global Extinction Crisis. More than 20 species on the U.S. endangered list are now gone forever, officials said Wednesday. A million more are at risk. Share full article. Published Sept. 29,...
May 29, 2019 · May 29, 2019. • 7 min read. Extinction is a natural phenomenon: After all, more than 90 percent of all organisms that have ever lived on Earth aren’t alive today. But humans have made it worse,...
Feb 5, 2019 · Extinctions happen when a species dies out from cataclysmic events, evolutionary problems, or human interference. February 05, 2019. • 4 min read. The truth is, scientists don’t know how many...
Dec 24, 2023 · At least five times, a biological catastrophe has engulfed Earth killing off the vast majority of species. As scientists say we’re in a sixth mass extinction, what can we learn from the past?
Jan 13, 2021 · January 13, 2021. 10 min read. What We’ve Lost: The Species Declared Extinct in 2020. Dozens of frogs, fish, orchids and other species—many unseen for decades—may no longer exist because of...
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Stories. What is the sixth mass extinction and what can we do about it? © Roger Leguen / WWF. A mass extinction is a short period of geological time in which a high percentage of biodiversity, or distinct species — bacteria, fungi, plants, mammals, birds, reptiles, amphibians, fish, invertebrates — dies out.