Learn about UNESCO-designated biosphere reserves and why you should visit them.

Jane Poynter entered the world's first hermetically sealed, manufactured ecological system in 1991 with seven other people. Biosphere 2-- the 3.15-acre, almost-airtight outpost in the Arizona desert ...

The Yucatán Peninsula contains an abundance of eco-parks and natural reserves, but few compare to the breadth and natural wonder of Sian Ka'an – a UNESCO World Heritage Site. Just south of Tulum, the ...

Jane Poynter and seven compatriots agreed to spend two years sealed inside a 3-acre terrarium in the Sonoran Desert. Their mission back in the 1990s: To see whether humans might someday be able to ...

A well-known nature reserve came under Russian fire A fire broke out in the Danube Biosphere Reserve following a Russian ...

Editor’s note: This is the first part in a two-part series detailing developments in the UA’s operation of Biosphere 2. The UA looks to tackle “”grand challenges”” and inform the public about science ...

ORACLE, Ariz. — Plopped in the Sonoran Desert, just outside Tucson, Ariz., sits a massive, multilevel greenhouse that's probably best known as the inspiration for a Pauly Shore movie. A slick, stepped ...

Add Yahoo as a preferred source to see more of our stories on Google. Biosphere 2 is a research facility located near Tucson, Ariz. Katja Schulz/Flickr, CC BY From a distance, Biosphere 2 emerges from ...