Adaptive radiation—the rapid evolution of many new species from a single ancestor—is a major focus in evolutionary biology. Adaptive radiations often show remarkable repeatability where lineages have undergone multiple ...
Evolution
Oct 7, 2020
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22
Challenging a 75-year-old notion about how and when reptiles evolved during the past 300 million-plus years involves a lot of camerawork, loads of CT scanning, and, most of all, thousands of miles of travel. Just check the ...
Evolution
Oct 7, 2020
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2320
Some of the most fundamental questions in evolution remain unanswered, such as when and how extremely diverse groups of animals—for example reptiles—first evolved. For seventy-five years, adaptive radiations—the relatively ...
Evolution
Jul 6, 2020
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176
What drives the evolution of new species of sharks and rays? Traditionally, scientists thought it required species to be separated by geographic or spatial barriers, however a new study of elasmobranchs (the group of sharks ...
Ecology
May 19, 2020
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7
An ant the size of a lion isn't as far-fetched as you would think. From as small as a sesame seed to the size of a big cat, ants come in all sizes—in augmented reality, at least.
Plants & Animals
Nov 12, 2019
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8
The Cambrian explosion more than 500 million years ago is often considered biology's "big bang".
Evolution
Feb 19, 2019
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18
Animals that have either migrated to or been introduced in Central Europe, such as the Asian bush mosquito or the Asian ladybeetle, have adapted well to their new homes due to changing climatic conditions. If these newcomers ...
Evolution
Aug 9, 2018
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16
Being first in a new ecosystem provides major advantages for pioneering species, but the benefits may depend on just how competitive later-arriving species are. That is among the conclusions in a new study testing the importance ...
Evolution
Apr 26, 2017
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12
A study of the super-diverse bird groups, which include Darwin's finches, has found that modular skull parts helped them adapt to different roles.
Evolution
Mar 7, 2017
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26
For 600m years, life has been responding to our changing world. Virtually every conceivable environment in every corner of the planet has been occupied as animals and plants have diversified. Environmental shifts and mass ...
Archaeology
Feb 13, 2017
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