A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

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

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...

All seven planets will be visible this time around, meaning Venus, Mars, Jupiter, Saturn, Mercury, Neptune and Uranus. (Earth, of course, is the eighth planet, and poor Pluto was demoted in 2006 ...

Sorry to Pluto, but it got booted out of the ... The gravitational influence of the planets on Earth is negligible compared to that of the Moon and the Sun. While some speculative theories suggest ...

In other parts of the world, the phenomenon will be best visible in early March. Five planets are visible to the naked eye, according to NASA: Mercury, Venus, Mars, Jupiter and Saturn. Mars will ...

Gary A. Vasquez-Imagn Images Don't compare Lewis Hamilton to other Formula One drivers his age—unless you want him to fire back strongly. On Thursday, Time magazine published a piece about ...

Seven planets will appear for a “planetary parade” for a short time on Friday in the UK night sky. The brief window will enable skywatchers to see all seven other planets in the Earth’s ...

In simple terms, as the planets in our Solar System orbit the sun, they occasionally line up in space, according to NASA. The term planetary alignment can refer to apparent line-ups with other ...