Caltech researchers have identified a novel chemical reaction that could explain the formation of the building blocks of DNA ...

In evolutionary theory, natural selection 1 describes why some things exist and others do not 2. Darwin’s theory of evolution and its modern synthesis point out how selection among variants in the ...

CINCINNATI (WKRC) - A recent discovery indicates that the chemical building blocks necessary for life to form on Earth were actually "extraterrestrial in origin," according to scientists. A pair of ...