Astronomers are counting down to using the new Roman Space Telescope to scan the Milky Way for alien moons that might be ...

Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar ...

Recent paleomagnetic studies of Apollo and Chang’e returned samples suggest that the lunar dynamo was active from ∼4.2 billion years ago (Ga) and ceased by ∼1.0 Ga. However, uncertainties remain ...