A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

Scientists have discovered an 'alien' material inside a massive crater on Earth, sparking new questions about how life may ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

A discovery by a South Korean research team suggests that impact-generated lakes may have fostered early oxygen-producing ...

A team of planetary scientists has confirmed the existence of a giant volcanic cave beneath the surface of Venus, providing the first direct evidence of intact underground lava tunnels on the planet.