For life to even have a tiny chance of forming, two other substances need to be there when a planet’s core is formed, a new ...

Scientists combined lab radiation experiments, mathematical modeling and Curiosity data to ‘rewind the clock’ about 80 million years — the length of time the rock would have ...

Is water enough to find alien life? New research reveals phosphorus and nitrogen are crucial. Discover the 'chemical ...

A new study shows that Earth formed under an unusually precise set of chemical conditions that allowed it to retain two ...

The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think ...

In a new study, researchers say that nonbiological sources they considered could not fully account for the abundance of ...

SpaceX’s decision to focus on establishing a lunar city ahead of building a Mars colony represents a significant shift in Elon Musk’s space exploration ambitions ...

Elon Musk’s ambition to one day settle Mars appears to have taken a back seat for a rather nearer and more achievable goal – ...

Elon Musk is putting his dreams of colonizing Mars on hold and said his SpaceX rocket company will instead focus on building a city on the moon.

Elon Musk said "SpaceX has already shifted focus to building a self-growing city on the Moon," despite Mars being his top ...