In the early 1990s, eight people tried to survive in a hermetically sealed glass structure filled with miniature forests, oceans and savannah.

It's seemingly a little capsule of Earth, which is why the structure is called Biosphere 2 – named after our own planet, Biosphere 1.

For two years and 20 minutes, those eight people lived inside this facility, growing their own food and using the biological systems that make up Biosphere 2, to survive.

Another (and, in our view, more important) source of energy for life on Iceheim is the heat coming from its core, underneath ...

Biosphere 2, about 20 miles north of Tucson, is supporting startup companies focused on renewable energy and sustainable technologies.

New research reveals Earth's natural carbon sink nearly collapsed in 2024, absorbing almost zero human CO₂ emissions.

Inside Biosphere 2's giant glass pyramid, tropical trees stretch 80 feet above the forest floor. Crazy ants, so named because of their erratic movements, scurry below.

For nearly two decades, Alejandro González has stood on the front lines of marine conservation in Mexico, from the ...

Biosphere 2's ocean ecosystem contains 700,000 gallons of sea water brought in from the California coast — more than an typical Olympic-size swimming pool.

An AI generated panoramic image vividly contrasting two futures, divided by a road. On the left, a vibrant futuristic utopia, showcasing harmony between advanced technology, with the right being a ...