A NASA mission, IMAP, will investigate and map the sun's particles and energy across the entire heliosphere, using a ...

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

A partial solar eclipse on March 29 will be visible from parts of North America. Here's how to safely view the cosmic event, even if you can't be there in person.

On March 29, skywatchers across parts of the Northern Hemisphere will be treated to a rare astronomical double feature: a ...