A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.

In celebration of the rare total lunar eclipse, also known as a "blood moon," happening on March 14, the beloved juice brand ...

A private US lander has captured eerie high-definition images of a lunar sunset, which NASA hopes will help unravel the ...

The $488 million Spherex mission aims to explain how galaxies formed and evolved over billions of years, and how the universe ...