Mitochondria are mighty ― especially those of birds that fly thousands of kilometres each year. Investigation into mitochondria, the powerhouses of the cell, shows that they undergo extensive ...

As they zip around in search of nectar, hummingbirds have no trouble navigating dense foliage and other tight spaces. This feat is especially impressive for hummers, because unlike other birds, they ...

Birds today make flight look effortless, but its evolution was complex. Scientists are still trying to discover exactly how birds took to the skies, and today, a new perspective has emerged by ...

Slow-motion footage of baby birds helps scientists uncover how their ancestors took to the skies. Birds today make flight look effortless, but its evolution was complex. Scientists are still trying to ...