Mercury is no easy target - its proximity to the Sun makes it harder to reach than Jupiter. But in 2023, BepiColombo soared in for a second flyby, capturing ghostly terrain and unexpected anomalies in ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...

Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.