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 ...

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

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 ...

Our Earth’s atmosphere was not always the safe haven it is today. New research, informed by ancient ocean fossils, provides a glimpse into a time when our planet’s atmosphere was inhospitable and ...

The edge of the Greenland Ice Sheet, where recent melting has left bare ground. Credit: Kevin Krajick/Earth Institute A massive new review of ancient atmospheric carbon-dioxide levels and ...

PART 1. THE ATMOSPHERIC CO2 RECORD -- The rise of trees and how they changed Paleozoic atmospheric CO2, climate, and geology / Robert A. Berner -- Atmospheric CO2 during the late Paleozoic and ...

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 ...

Scientists are steadily ruling out habitable conditions on the seven planets of the star Trappist-1. On one of the worlds, a ...