Each planet is imagined as a stand-up comic, bringing its unique traits to the stage. Mercury's quick wit, Venus's charm, ...

NASA's Hubble Space Telescope has captured a cosmic bullseye! The gargantuan galaxy LEDA 1313424 is rippling with nine star-filled rings after an 'arrow' -- a far smaller blue dwarf galaxy -- shot ...

They were dug out by debris sent violently aloft when an asteroid or comet struck the lunar surface 3.8 billion years ago.

Don't put your binoculars away just yet, the planet parade continues through February. Here's which planets will be visible this month.

The rare celestial event that only happens every 100 years and the best time to see Venus, Mars, Jupiter, Saturn, Uranus and ...