How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared. But what ...

Laboratory chemists are now edging closer to the moment when lifeless molecules first organized into the chemistry that would eventually support complex organisms. By recreating key early-Earth ...

Evidence is mounting that the same basic chemistry that made Earth habitable is unfolding, or once unfolded, on Mars. From ...

It's not news, although it's something that will happen many years from now: life on Earth has an expiration date. According to different research and studies, there will be no tra ...