Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

The conjunction occurs on August 14. On Wednesday, August 14, stargazers will have the opportunity to spot a special ...

"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 ...

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

An alignment of seven planets will be visible in Friday's evening sky. Here's when and where to view the celestial phenomenon from Texas.

While much of what you've been hearing about a "Planetary Parade," is pure hype, you still do have reason to look into the ...

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

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

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...