A new Southwest Research Institute study tackles one of the greatest mysteries about Titan, one of Saturn’s moons: the origin of its thick, nitrogen-rich atmosphere. The study posits that one key to ...

NASA’s Curiosity rover is using a new experiment to better understand the history of the Martian atmosphere by analyzing xenon. While NASA’s Curiosity rover concluded its detailed examination of the ...

Scientists say they have identified the main process that formed the moon's atmosphere and continues to sustain it today. The team reports that the lunar atmosphere is primarily a product of 'impact ...

The small traces of gas that form the atmosphere of our moon may have come from meteorites hitting its pockmarked surface. The exact origins of the moon's extremely thin atmosphere—known as an ...

What is it about planet Earth? -- Life before oxygen -- Evolution of oxygenic photosynthesis -- Cyanobacteria: the great liberators -- What controls atmospheric oxygen concentrations? -- The early ...