Earth’s surface is warming, but the upper atmosphere has been cooling for decades, and scientists now understand why.

A new study explains why carbon dioxide is cooling the upper atmosphere, even as it is warming Earth’s surface.

Earth’s surface is warming, but far above the planet, temperatures in the upper atmosphere have been falling for years.

Scientists have finally cracked the mystery behind one of climate change’s strangest fingerprints: while Earth’s surface ...

There is a paradox at the heart of our changing climate. While the blanket of air close to the Earth’s surface is warming, most of the atmosphere above is becoming dramatically colder. The same gases ...

A team led by the University of Colorado Boulder has found the mechanism behind the sudden onset of a “natural thermostat” in Earth’s upper atmosphere that dramatically cools the air after it has been ...

In a breathtaking reveal, NASA has shared a captivating photo of Earth’s ‘airglow’ captured from the International Space Station, where the planet radiates with a brilliant orange hue. This elusive ...

On May 21, ground controllers powered down NASA's AWE (Atmospheric Waves Experiment) instrument, bringing the data collection phase of the mission to a successful and scheduled end, surpassing its ...

Around 11 miles above Earth’s surface, leftover bits from rockets and spacecraft are lingering in our planet’s atmosphere that could potentially have a lasting effect on the climate. A group of ...

Our planet is massive, and the surrounding space is even more massive. Despite that, scientists say that the amount of space junk pollution around our planet could poison the upper atmosphere and have ...

WASHINGTON, Nov 14 (Reuters) - About two billion years ago in a galaxy far beyond our Milky Way, a big star met its demise in a massive explosion called a supernova that unleashed a huge burst of ...