The cellular biology of reproduction is often depicted as an epic journey, in which millions of intrepid sperm fight to be the first to claim the ultimate prize: the chance to fertilize the egg, which ...

Around 250 million years ago, 700 species of reptiles closely related to the modern-day crocodile roamed the earth, now new research reveals how a complex interplay between climate change, species ...

Chang, Dan, Olenzek, Amy M., and Duda, Thomas F. 2015. "Effects of geographical heterogeneity in species interactions on the evolution of venom genes." Proceedings of ...

How did protein interactions arise and how have they developed? In a new study, researchers have looked at two proteins which began co-evolving between 400 and 600 million years ago. What did they ...

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new CU Boulder ...

A potted scarlet monkeyflower would die within a few days without water. But multiple natural populations of the species survived an extreme, four-year drought in California, and researchers now know ...

Most fungi need only wind or water to disperse their spores. But some, including truffles, need a little help from animals. Usually, truffles and truffle-like fungi (which don't belong to the truffle ...

In a world where evolution seems to favour traits that enhance reproductive success, a curious phenomenon has emerged from the study of nonhuman primates: same-sex sexual behaviour. While this ...

Evolution rarely hits delete. Instead, it leaves behind living relics built for animals that no longer exist. Avocados are ...