The Moon, like the Earth, has been bombarded by asteroids and comets since its formation ... Professor of Earth and Planetary Science at Portsmouth's School of the Environment and Life Sciences, said: ...

leading to the hypothesis that a flux of comet impacts may have graced Earth with life-boosting ingredients. Perhaps counterintuitively, the probe found the composition of the water vapor on Comet 67P ...

On what would’ve been the astronomer’s 90th trip around the Sun, here’s a look at his legacy as a scientist, advocate and ...

Researchers at Harvard's Paleomagnetics Lab have made a compelling case that Mars' magnetic field, which could have supported ...