Of the solar system’s planets, Saturn piques the human imagination with its signature rings and impressive moon count of 274.

The wonders of life on Earth are endless, but all that may never have come to pass were it not for the planet having the perfect amount of oxygen at birth.

New research from ETH Zurich reveals that beyond water and oxygen, phosphorus and nitrogen are critical for life's existence ...

Two years ago, researchers reported on microbial activity dating back 3.7 billion years, a claim made possible by what were ...

Elon Musk's plan to build a moon city in under a decade faces ridicule after he dismissed the moon as 'a distraction' just 13 months ago.

But as much as it’s easy to think all they need is oxygen and water for life to flourish, scientists have discovered that isn ...

Earth’s habitability may trace back to a precise chemical balance during its formation, one that kept life-critical elements from disappearing into the core or drifting into space.

Mars was not always the cold desert we see today. Billions of years ago, volcanoes built a thick atmosphere and water flowed ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Life needs more than water and the right temperature to exist. New research suggests that only a small number of planets ever ...

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...