The findings also suggest oxygen may not be a permanent biosignature on habitable planets, impacting the search for ...

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

The search for life on other worlds needs a way to sift through the chemistry of their atmospheres. If another species ...

Another year, another record,” quipped Ralph Keeling, head of the Scripps CO2 Program, as atmospheric carbon dioxide hit 430 ...

Earth’s oxygen levels expected to plummet, returning planet to prehistoric state.

We can leverage the climate-control capabilities inside Biosphere 2 and an engineered irrigation system to create different scenarios of rainfall and air temperature, and evaluate how those ...

“The single most important lesson we learned from the Biosphere was just how complex earth systems actually ... life-support system ever built," according to Star reporting in the 1990s.

Our exploration of the cosmos has great potential for understanding life on Earth, but it is clear that we need to think ...

A new study argues that Mars could act as a testing ground for habitat restoration, with lessons learned helping to fight ...

A recent studypublished in Nature Geoscienceexplores the future of Earth’s atmosphere, revealing that a dramatic decline in ...

If we ever want to live on Mars like Elon Musk wants, we're going to have to work out terraforming, and scientists say we're ...

Deep in the Guatemalan jungle lies the remains of an ancient city forgotten about for nearly 3,000 years, experts reveal.