A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

The waning crescent Moon contrasts nicely with Venus the morning star, with the planet quickly approaching dichotomy.

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

Kemble's Cascade is an asterism in Camelopardalis in which a line of colorful stars appears to terminate with the small open ...