This model reveals how vastly different the atmosphere was on ancient Earth, and how life may have first emerged. The key to unlocking the secrets of distant planets starts right here on Earth.

A number of hypotheses have been used to explain how free oxygen first accumulated in Earth’s atmosphere some 2.4 billion years ago, but a full understanding has proven elusive. Now a new model offers ...

One of NOAA’s primary ocean-atmosphere models is now projecting that the Niño-3.4 index, the benchmark gauge of El Niño ...

During a La Niña, a counterpart to the El Niño weather pattern, drier than normal conditions are to be expected. But 2023, a La Niña year, turned out to be California’s 10th-wettest year on record.

ISSUE THIS EVENING. ALL RIGHT. WE NOW THANK YOU SO MUCH. WE NOW KNOW WE’VE BEEN LOOKING AHEAD TO NEXT WEEK, BUT THERE’S BEEN A BIG CHANGE SINCE YESTERDAY. RIGHT HEATHER. THAT’S ABSOLUTELY RIGHT. SO I ...