Scientists speculate that asteroids colliding with Earth delivered water—an essential building block of life—but new research suggests the planet didn't need the delivery. Reading time 3 minutes Water ...

The mystery of how life on Earth originated , and whether it exists elsewhere in the universe, are "the raison d’être of space exploration", said Louis Friedman, co-founder of the Planetary Society.

Earth's Composition Closely Matches Mars, Suggests New Study On Planet's Origins ...

Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo ...

Scientists at Yale and in Singapore have devised what may be the ultimate acid test — a comprehensive model for estimating the origins of Earth’s habitability, based in part on ocean acidity. The new ...

UC Riverside is leading one of the NASA Astrobiology Program's eight new research teams tackling questions about the evolution and origins of life on Earth and the possibility of life beyond our solar ...