New research finds ozone recovery and pollution could make ozone the second-largest source of warming by 2050.

Look up on a clear night and you'll see the streaks of our new space age. What you don't see is the growing fallout for the atmosphere that keeps us alive. A wave of satellite launches and reentries ...

The number of satellites launched into space has grown dramatically in recent years. Mega-constellations, large networks of satellites working together, are being launched to provide global internet, ...

A new scientific model suggests that Earth’s oxygen-rich atmosphere may last for around 1 billion more years before a ...

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Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to allow for the eventual buildup of oxygen up to the levels we have now (around ...

Look up on a clear night and you’ll see the streaks of our new space age. What you don’t see is the growing fallout for the atmosphere that keeps us alive. A wave of satellite launches and reentries ...