Breathe easy, for now. Scientists say our breathable air won't last forever. A new NASA-supported study warns that Earth's ...

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

Theoretically, “without any involvement of life at all, simply through whole-planet-scale geochemical cycling and tectonics, one could give rise to higher oxygen in the atmosphere of our planet ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet formation around small stars.

While Earth's slowdown is not noticeable on human timescales, it's enough to work significant changes over eons. One of those ...

They found that large-scale volcanic activity increased atmospheric ... which in turn temporarily increased atmospheric oxygen. The increase in oxygen was not very steady, though, and came and ...

They found that large-scale volcanic activity increased atmospheric ... which in turn temporarily increased atmospheric oxygen. The increase in oxygen was not very steady, though, and came and ...

MOXIE extracts carbon dioxide from the atmosphere and turns it into oxygen and carbon monoxide, but in order to make that happen at a meaningful scale, a similar device would need to consume a ...

The thin Martian atmosphere is 96% carbon dioxide, which isn’t much help to oxygen-breathing humans ... This would suggest that a full-scale system, designed to run continuously, could do ...