With a footprint that spans every inhabited continent, the Commonwealth of Nations is one of the most expansive and ...

A little-known ocean current surrounds Antarctica, shielding it from warm water farther north. But our new research published ...

As sea levels climb and weather grows more extreme, coastal regions everywhere are facing a creeping threat: salt.

It is also the world's smallest sovereign state by population that is a member of the United Nations, and the third smallest ...

Llamas, alpacas, vicuñas, and guanacos in South America are being hailed as heroes of the high plateaus for their resilience ...

On a remote, crescent-shaped island surrounded by crystal clear ocean, live some of the most plastic-contaminated birds in ...

In recent years, the real progress has been outside the rooms where the high-level official U.N. negotiations are held.

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