Seasonality shapes much of life on Earth. Most species, including humans, have synchronized their own rhythms with those of ...

For now, complex life flourishes on our planet thanks to its supply of oxygen. But Earth's atmosphere wasn't always like it ...

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 ...

Earth's carbonate-silicate cycle is expected to drive CO 2 below the minimum level required by vascular land plants, eliminating most macroscopic land life," the authors write. As the sun ...

And at times, those mass extinctions have even eliminated most species on Earth. Yet, life has always rebounded. New species emerge. The cycle repeats. So, what would it take to kill off life in full?

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,” ...

The carbonate silicate cycle, for example ... As a result, they were able to estimate the total life that Earth has produced since its beginning — about 10^40 cells, roughly 10 billion times ...

A new study explores how complex chemical mixtures change under shifting environmental conditions, shedding light on the prebiotic processes that may have led to life on Earth. In the Painted Desert ...