At any given time, about two-thirds of Earth's surface is covered by clouds. Overall, they make the planet much cooler than it would be without them. Subscribe to our newsletter for the latest ...

There’s a deceptively simple number at the heart of the science of climate change: the sensitivity of Earth’s climate system to an addition of greenhouse gas like CO 2. This variable gets defined in ...

Clouds are fascinating because they take on so many different, beautiful shapes and are constantly changing. Cloud-watching from Earth can be endlessly entertaining, but some of the most amazing cloud ...

Cloud patterns have been shifting over the past 30 years in ways that a new study says are possibly due to global warming––and may even lead to more warming in the future. Climate scientists believe ...