Add Yahoo as a preferred source to see more of our stories on Google. Researchers uncover gene clues that reveal how life evolved before Earth’s first universal ancestor. (CREDIT: Wikimedia / CC BY-SA ...

Astronomers have spotted an unexpected chemical heavyweight drifting through deep space - and it may offer new clues about how life gets started. Detected near the center of the Milky Way, the ...

The account of evolution we call Darwinian can explain the great diversity of life on Earth. The origin of species and the descent of human beings are well understood. Darwinism is silent on the ...

Life is ancient – it emerged on Earth about four billion years ago. We consider how it began and whether we might find life elsewhere. Video by Thomas Lewton Animation by Charity Atukunda Oil prices ...

Living organisms share an ancestor called the last universal common ancestor, or LUCA. LUCA is estimated to have lived approximately four billion years ago. All plants, animals, and microbes can trace ...