The finding comes as the U.S. reverses rules meant to lower carbon pollution and walks away from international climate ...

Climate can change fast, even when the planet looks stable. Earth has flipped into new patterns within decades in the past.

Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

Have you ever wondered why Earth goes through massive climate swings, from freezing ice ages to warmer periods like today?

Environmental phenomena and their consequences can disrupt social structures and destabilize political systems. An ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

Pollen posts online match real pollen season levels and show how daily allergies shape views on climate change.

Climate change is causing trees to sprout earlier in spring. Nevertheless, some tree species are growing less. A study by the ...