A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational field keeps many other objects – planets, dwarf planets, asteroids and comets – in orbit around it.

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious.

The Kuiper Belt is a region in space beyond the orbit of Neptune that's home to Pluto and most of the known dwarf planets, as well as some comets that are thought to be relics of the solar system ...

More than just dazzling streaks of light as meteors, these ancient fragments are among the oldest materials in our solar system, originating from planets, asteroids, and comets. Most meteorites ...

Scientists believe that there's a planet like the desert planet Tatooine from 'Star Wars' that orbits a pair of failed stars.

Gravity provides the force needed to maintain the stable orbit of planets around a star and also of moons and artificial satellites around a planet. The moons around planets in the Solar System ...