Evolution is the process of heritable change in populations of organisms over multiple generations. Evolutionary biology is the study of this process, which can occur through mechanisms including ...

Molecular evolution is the area of evolutionary biology that studies evolutionary change at the level of the DNA sequence. It includes the study of rates of sequence change, relative importance of ...

In Kosciuszko National Park in Australia's alpine region, the landscape is slowly changing. Patches of native vegetation cropped bald by horses are regrowing. Some long-eroded creek banks look less ...

As large and ubiquitous as Amazon is today, it's difficult to remember that it started in a garage. Jeff Bezos and his first few employees packed books and took them to the post office themselves in ...

Dec. 12, 2025 Fossils from Qatar have revealed a small, newly identified sea cow species that lived in the Arabian Gulf more than 20 million years ago. The site contains the densest known collection ...