News tagged with earth atmosphere

Isotopic memory of atmospheric persistence

Chemical analysis of some of the world's oldest rocks, by an international team led by McGill University researchers, has provided the earliest record yet of Earth's atmosphere. The results show that the air 4 billion years ...

dateJan 15, 2015 in Earth Sciences
shares51 comments 0

Mars, too, has macroweather

Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar. More recently, a third regime, called "macroweather," has been used to describe the relatively ...

dateNov 13, 2014 in Space Exploration
shares0 comments 0