Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects ...

The solar system consists of our star, the sun, and everything bound to it by gravity: the planets Mercury, Venus, Earth, ...

sitting in the Kuiper Belt - a region in our solar system beyond Neptune filled with icy objects, comets, and dwarf planets like Pluto. Since this hidden planet may be so far away, the new study ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.

In 2020, astronomers detected WD 1856+534 b, a gas giant that orbits a star 81 light-years from Earth. This exoplanet, which ...

Save guides, add subjects and pick up where you left off with your BBC account. The Sun is the largest object in the Solar System and was the first to form. The huge gravitational pull of the Sun ...

The Earth is our planet. It is one of eight planets that move around the sun, each in an oval shaped, elliptical orbit close elliptical orbitAn orbit that is the shape of an ellipse. An ellipse is ...

Material that doesn't become a planet may be flung outward, beyond a growing star's gravitational influence. In our own Solar System ... as Hertzsprung-Russell diagrams, which show that most ...