Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

There's plenty more planet mayhem to come throughout the week. Today, the Moon enters its first quarter, which many will know ...

"It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing to ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

This Friday, all seven planets will be in the night sky for a brief period. Join the cosmic spectacle and learn where to look ...

In late January this year, NASA’s Psyche spacecraft turned its cameras to the sky and captured some incredible images. The ...

NASA's Europa Clipper is about to use Mars' gravitational pull to slingshot itself towards Jupiter's smallest moon later this ...

A rare 7-planet alignment will be visible this week after sunset, with Mercury, Venus, Mars, Jupiter, Saturn, Uranus, & ...

This Friday, all seven planets will be in the night sky for a brief period. Join the cosmic spectacle and learn where to look ...

Heads up, skywatchers: a planet alignment is up for viewing this weekend, with Mercury, Venus, Jupiter, and Mars all visible ...

Seven planets will line up for a "planet parade" on Friday, Feb. 28, as Mercury lines up with Mars, Jupiter, Uranus, Neptune, ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.