On the shores of the west coast of Australia lies a window to our past: the stromatolites and microbial mats of Gathaagudu ...

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 ...

The theory of panspermia holds that life is spread through the cosmos via asteroids, comets, and other objects. When the ...

Scientists explain how simple chemicals, deep sea vents, and meteor impacts may have helped life begin on Earth.

A major impact can eradicate entire ecosystems. It can melt rocks, send debris around the planet, and create a dent in the ...

Asteroid impacts may have helped kick-start life on Earth by creating hot, chemical-rich environments ideal for early biology. These impact-generated hydrothermal systems could have lasted thousands ...

Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, ...

Add Yahoo as a preferred source to see more of our stories on Google. All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely ...

Biosphere 2 started with eight scientists and a very ambitious experiment. Now, almost 35 years later, it's still being used for cutting-edge research. Scientists continue to use it to study Earth's ...

It is these rock slopes, where life is colonizing and transforming a tough landscape, that our team thinks are the key to humanity's future—both on Earth and, eventually, on other worlds. Biosphere 2 ...

From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...