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tag extinction rates ecology evolution

Mass Extinctions Set the Pace
Hayley Dunning | Jul 4, 2012 | 1 min read
The rate of evolution is affected for millenia after mass extinctions.
Dinosaur Fossil (Tyrannosaurus Rex) Found by Archaeologists
Are We in the Midst of a Sixth Mass Extinction?
Katarina Zimmer | Jul 18, 2022 | 10+ min read
Today’s extinction rates are sky-high. But scientists debate if that’s sufficient evidence to conclude that Earth is undergoing a mass extinction event—or whether that’s even a helpful designation.
Study: Plant Species Lost at Alarming Rate
Jef Akst | Jun 11, 2019 | 1 min read
The most extensive global survey of plant extinctions to date reveals cause for concern.
Evolution’s Quick Pace Affects Ecosystem Dynamics
Jef Akst | May 1, 2017 | 10+ min read
From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.
A Race Against Extinction
A. Marmaduke Kilpatrick | Dec 1, 2014 | 10+ min read
Bat populations ravaged; hundreds of amphibian species driven to extinction; diverse groups of birds threatened. Taking risks will be necessary to control deadly wildlife pathogens.
A white deer mouse on sand surrounded by plants
Are We In the Midst of a Silent Mass Extinction?
Andy Carstens | Sep 22, 2022 | 7 min read
A new modeling technique aims to help scientists and policymakers detect declines in genetic diversity based on habitat loss.
Drivers of Tropical Diversity
Erin Weeks | Sep 10, 2013 | 3 min read
Researchers pinpoint rapid speciation, reduced extinction rates as reasons for increased diversity among tropical amphibians.
A Cape ground squirrel sits upright on its hind legs, holding its forelimbs up to its face.
Animals Are Shape-Shifting in Response to a Warming World
Andy Carstens | Jan 3, 2023 | 10 min read
Forced to respond to a climate that’s changing faster than it ever has, it remains unclear whether species’ adaptations can keep pace.
Week in Review: August 18–22
Tracy Vence | Aug 22, 2014 | 3 min read
Neanderthal extinction; eradicating polio; virus takes down massive algal bloom; receptor behind the hummingbird’s sweet tooth; legal threat for PubPeer; price tag of scientific fraud
A pair of zebra finches in a cage
Animal Divorce: When and Why Pairs Break Up
Catherine Offord | Jun 1, 2022 | 10+ min read
Many species of birds and other vertebrates form pair bonds and mate with just one other individual for much of their lives. But the unions don’t always work out. Scientists want to know the underlying factors.

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