The Permian-Triassic extinction, also known as the Great Dying, was the most devastating event in Earth’s history. 96% of ...

Scientists have identified a promising new way to detect life on faraway planets, hinging on worlds that look nothing like ...

A chemical found in the atmosphere around an exoplanet that leads researchers to believe the planet may harbor life is called ...

Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...

Where would carbon-based life be without carbon ... Carbon atoms move around the planet in a process known as the carbon cycle—but really, two carbon cycles are moving together at the same ...

With high carbon dioxide, low oxygen and no photosynthesis, here’s how an entire ecosystem persists in Movile Cave, one of the most extreme environments on Earth.

It has a methane, nitrogen and carbon monoxide ... too cold to sustain life. NASA sent its probe New Horizons on a flyby in 2015. It confirmed the tiny planet harbored an ocean beneath its ...