NASA and NOAA keep separate definitions for global warming and climate change. One is a temperature number. The other covers ...

Climate change may eventually change global cloud heights, but scientists need a longer data set to know whether that's happening already. NASA We are all familiar with clouds, the fluffy-looking ...

Humanity is running out of time to keep the climate system in a state that resembles the one in which modern societies developed. A former NASA scientist who helped alert the world to global warming ...

Climate change can look very different at the scale of a forest, field or hillside. A new review shows how changes in ...