This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, ...

By exposing organic molecules to repeated wet-dry cycles, researchers observed ... the molecular complexity needed for life to emerge. To simulate early Earth, the team subjected chemical mixtures ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

What water, chemistry and temperature cycles fostered the chemical reactions that allowed life to emerge on our planet? Because life arose in the largely unknown surface conditions of Earth’s early ...

unnoticed ways the Moon shapes the course of life on Earth. 'The Moon has been up there as long as evolution has been taking place, and lunar rhythms are embedded in the life cycles of many organisms, ...

A team of researchers say their latest attempts to understand how molecules chemically reacted to form the basic building blocks of life on Earth are promising. There has long been debate about the ...