The Solar System's largest moon could be a dark matter detector, according to a new paper. All we have to do is look. As far as astronomers studying the observable universe can tell, only around 5 ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...