Earth’s oxygen-rich atmosphere, the very thing that allows complex life to exist, may not last forever. Coupled ...

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Shimmering green lights have once again danced across Earth’s upper atmosphere, captured in a striking timelapse from the International Space Station (ISS). The footage, recently released by NASA, ...

Two next-generation satellite missions announced Thursday will help NASA better understand Earth and improve capabilities to ...

Two new satellite missions will help NASA scientists better understand Earth and improve the ability to foresee environmental ...

NASA has released a breathtaking timelapse of glowing green auroras filmed from the International Space Station, revealing how solar particles transform Earth’s skies into a sweeping cosmic light show ...

Earth’s magnetic field and atmospheric oxygen appear to have moved in sync for half a billion years, pointing to a surprising connection between the planet’s deep interior and life-supporting ...

NASA launched two sounding rocket missions from Alaska to measure auroral electrical currents and study geomagnetic storm impacts on Earth’s upper atmosphere and space-based systems.

The last time someone photographed the exosphere, the outermost layer of Earth’s atmosphere separating it from outer space, was in the 1970s from the surface of the Moon. This is a problem for two ...