UARS

Remembering UARS

Twenty years ago this month, astronauts on the space shuttle Discovery used the spacecraft's robotic arm to launch the Upper…

Relative Humidity in the Upper Troposphere

Using instruments aboard NASA’s Upper Atmosphere Research Satellite(UARS), scientists measured humidity high in the atmosphere.

NASA Confirms Arctic Ozone Depletion Trigger

NASA researchers using 22 years of satellite-derived data have confirmed a theory that the strength of “long waves,” bands of…