Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Venus and Saturn will be in conjunction this weekend, appearing side by side in the night sky during January's post-sunset ...

A rare celestial phenomenon is about to light up the heavens, offering skywatchers a chance to marvel at the dynamic beauty ...

How the first moon landing was saved. The story of the people who made Apollo 11 happen ...