Discover the 'Swift Planet' and why Mercury is the fastest world in our solar system, with an incredible speed and a short 88-day year around the Sun.

Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

The obvious way to fire someone into the Sun is the direct approach, as shown in South Park Season 1. Point a rocket at the Sun and fire. But can that work?

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

New findings suggest that diurnal tides, driven by solar heat, are a major contributor to the extreme speeds of Venus's winds ...

Astronomers have detected an exomoon candidate in orbit around the gas giant exoplanet HD 206893 b. Further studies are ...

If, for some reason, we as a society executed villains by firing them into the Sun, this is how an astronomers says we would ...

"The most convincing scenario is that most of the building blocks of Earth and Theia originated in the inner solar system.

"Similar to the asteroid belt, the Kuiper Belt is a region of leftovers from the solar system's early history. Like the ...