Scientists have finally cracked the mystery behind one of climate change’s strangest fingerprints: while Earth’s surface heats up, the upper atmosphere is rapidly cooling. Researchers at Columbia ...

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 ...

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 ...

The Earth’s atmosphere is experiencing an accelerated rate of atmospheric escape, leading to a faster loss of gases into space than previously observed. This revelation, founded on recent scientific ...