Have you ever wondered how a cloud stays in the sky? In a recent conversation with ... I arrived at that number by doing a simple math problem. Mass is equal to density multiplied by volume.

The effect of clouds has been the biggest uncertainty in predictions about global warming. In this new study, researchers from the University of Exeter and the Laboratory of Dynamical Meteorology in ...

As the name suggests, the most simple way to celebrate the occasion is to look up at the sky. People may choose to go on a picnic and look at the blue sky or enjoy watching the clouds drift by.