Researchers have identified a "tipping point" about 2.7 million years ago when global climate conditions switched from being relatively warm and stable to cold and chaotic, as continental ice sheets ...

Centromeres play virtually the same central role across the entire tree of life: They ensure the faithful segregation of ...

For more than 50 years, scientists have been freezing living cells from endangered species. Here’s how the Frozen Zoo® is ...

Evolution doesn't present its biggest live titles like "just another table." Some of them are treated more like shows you ...

Lipstick vines in Taiwan look different from their red-flowered relatives. When scientists dug into the family tree, they uncovered an evolutionary mystery.

The skull had the brow of a descendant but the face of an ancestor. When researchers finished reconstructing the DAN5/P1 cranium from Ethiopia’s Afar region, dated to between 1.6 and 1.5 million years ...

Important, previously unrecognized genetic changes common to all ancient and modern Homo sapiens spread in Africa more than 300,000 years ago, a new study finds. After that, the same investigation ...

Jacob S. Suissa receives funding from The National Science Foundation. He is affiliated with Arnold Arboretum of Harvard University, and Let's Botanize Inc. There are few forms of the botanical world ...

Modern dog breeds come in a mind-boggling array of shapes and sizes—from Chihuahua to Great Dane, corgi to greyhound, pug to German shepherd. In fact, the domestic dog, Canis familiaris, shows more ...