Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods ...

Climate change is usually associated with changes in atmospheric carbon dioxide, but our planet's surface also plays a major ...

BELEM, Brazil (AP) — The world's climate leaders are conceding that Earth's warming will shoot past a hard limit they set a decade ago in hopes of keeping the planet out of a danger zone. But they're ...

Scientists have traditionally focused on volcanic arcs as the main natural source of atmospheric carbon dioxide. These form ...

Arctic weather extremes are rising fast, harming plants, animals, people, and global climate balance worldwide.

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

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 ...