In 1958, scientist Charles David Keeling began monitoring carbon dioxide levels at the Mauna Loa Observatory in Hawaii, providing the first clear evidence that humans were increasing atmospheric CO2 ...

Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past ...

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

In 2024, NASA astronaut Matthew Dominick caught a glimpse at one of the most elusive atmospheric phenomena known as red sprites. These occur during particularly powerful thunderstorms and travel ...