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 ...

Evidence is mounting that the evolution of our species is more convoluted than we imagined — more like a braided stream than a branching tree. When you purchase through links on our site, we may earn ...

Michael A. Little does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...