The Great Oxidation Event, one of the most significant turning points in Earth's history, marks the time when oxygen levels in the atmosphere dramatically increased, transforming the planet and its ...

The lifespan of oxygen-rich atmospheres may be shorter than we previously thought,” Georgia Institute of Technology’s ...

"Even after up to 150 million years, isotopic traces of the oxygen molecules of the Mesozoic atmosphere that the dinosaur ...

Oxygen accounts for about 21% of Earth's air, with the rest of our atmosphere primarily nitrogen. And most living things - including people, as we well know - need oxygen to survive.

While Venus is made up of about 96% carbon dioxide, scientists just discovered there's atomic oxygen in the planet’s atmosphere.

Scientists have found that molecular oxygen around comet 67P is not produced on its surface, as some suggested, but may be from its body. The European Space Agency’s Rosetta spacecraft escort… ...

Scientists say they discovered that atomic oxygen on Venus ranges between a chilly -178°F on the day side to an even cooler -252°F on the night side, estimating that the gas lingers around an ...

While Venus is made up of about 96% carbon dioxide, scientists just discovered there's atomic oxygen in the planet’s atmosphere. According to findings from a joint project between NASA and the ...