Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Most people were taught a simple image: monkeys slowly turning into humans. That’s not how evolution works. Humans didn’t evolve from modern monkeys — we share a common ancestor with them, and if you ...

Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth ...

Scott Saleska receives funding from National Science Foundation, NASA, and U.S. Department of Energy. Ghiwa Makke receives funding from National Science Foundation and U.S. Department of Energy. Chris ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Living on Mars, humans would experience just 38% the gravity of Earth and would be exposed to much more radiation. These two ...

From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...