"We're arguing that intelligent life may not require a series of lucky breaks to exist," said lead author Dan Mills of the ...

Fossils and genetics are starting to point to life emerging surprisingly soon after Earth formed, when the planet was ...

According to the calculations run by Ozaki and Reinhard, the oxygen-rich habitable history of Earth could end up lasting for ...

Roughly 300,000 years ago, our species first appeared on the African landscape before spreading globally and coming to ...

Scientists at Yale and in Singapore have devised what may be the ultimate acid test—a comprehensive model for estimating the ...

Fluctuations in ancient Earth’s environment might have propelled the chemical complexity that laid the foundation for life.

A new study explores how complex chemical mixtures change under shifting environmental conditions, shedding light on the ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Scientists found that evolution itself can evolve. Organisms exposed to changing environments develop a better ability to ...

The origins of life on our planet remains one of science’s great mysteries. Now, a NASA mission that brought a piece of an ...

For now, life is flourishing on our oxygen-rich planet, but Earth wasn't always that way – and scientists have predicted that, in the future, the atmosphere will revert back to one that's rich ...

The search for alien life in the universe has fascinated the scientific community for decades – and the chances of finding ...