The Mastcam-Z camera on NASA’s Perseverance rover captured the Martian moon Phobos as it eclipsed the sun. Credit: NASA/JPL-Caltech | edited by Space.com Music: Mysterious Forest by Howard Harper-Barn ...

In astronomy, a conjunction occurs when two celestial objects—like planets, the Moon, or stars—appear very close together in ...

Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...