Spot November’s supermoon, Leonids peak, and Uranus at opposition, plus a dark-sky new moon and a Moon-Saturn pairing. Here’s ...

Terrence Tysall set a record scuba diving to the Edmund Fitzgerald. Ric Mixter dove in a submersible, finding a missing body.

Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

Polar bears aren't white, strawberries aren't berries and the Earth isn't round—we'll have you rethinking everything you ...