Our cosmic home, the solar system, contains incredible planets and magnificent celestial objects, all held together with the ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

How Many Planets Are There in the Solar System? There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, ...

Among the planets, moons are more common in the outer reaches of the solar system. Mercury and Venus are moon-free, Mars has two small moons, and Earth has just one.

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would ...