The Invisible Ropes of the Sky Jet streams are essentially fast-flowing air currents high above us, acting much like highways ...

Here's why it's important. A giant mass of seaweed threatens beach season in the U.S. A giant mass of seaweed threatens beach season in the U.S. Why is an ocean current critical to world weather ...

How fast the level of atmospheric carbon dioxide — and with it, the temperature — goes up matters for the ability of humans and ecosystems to adjust. A slower increase gives humans time to move away ...