Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.

Looking for the most recent Wordle answer? Today's puzzle is a real brain-buster, featuring one of the least-used letters in the alphabet. If you're stuck, read on for hints, the answer, and some tips ...

Now, thanks to decades of strict regulations under the Montreal Protocol, the ozone layer is on a clear path ... emphasized ...