Eighteen months ago, I started out on a reporting project that soon became a series and took the name “In Search of the Emerging Church.” Twenty-six reports later, looking back through scores of ...

What were the first life forms like? In a new perspective article, scientists describe a strategy for answering this question by studying the earliest evolution of electron transport chains, a ...

Despite decades of progress, the origin of life remains one of the great unsolved problems in science. “The most basic features of biology, that organisms are made of cells, that they pass genetic ...