The authors found that b etween 500,000 and 1 million plant and animals species face extinction, many within decades. The report reiterates that there's just one factor to blame for this troubling ...

In the case of mammals, the best-studied group of animals, the fossil record indicates that the “background” rate of extinction, the one that prevailed before humans entered the picture, is so ...

There’s no way to sugarcoat it: Animal and plant life is declining across the globe at rates never seen before in human history. And alongside this decline, extinction rates are speeding up — as many ...

The IUCN has assessed the extinction risk of only about 5% of the world's known species, so there must be many more ...

One-third of all animal and plant species on the planet could face extinction by 2070 due to climate change, ... Bumblebees are disappearing at rates 'consistent with mass extinction' ...

The background level of extinction known from the fossil record is about one species per million species per year, or between 10 and 100 species per year (counting all organisms such as insects ...

Every Taxon Is in Trouble. AMPHIBIANS No group of animals has a higher rate of endangerment than amphibians. Scientists estimate that a third or more of all the roughly 6,300 known species of ...

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?

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?

It could be, he says, that island species with a slower metabolism are actually at a lower risk of extinction than the authors found—or at an even higher one. Rights & Permissions Rachel Nuwer ...