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 ...

A sweeping new study reveals that humanity has already pushed 60% of Earth’s land outside its safe biosphere zone, with 38% in a high-risk state. By analyzing centuries of data, researchers mapped how ...

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

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 ...

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 ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...