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, ...

To observe the planets, you do not need a telescope greater than 4 -inches in diameter. A suitable pair of binoculars (in the range of 7 X 50 to 10 X 50) will be enough. These are great choices ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...

A unique new material that shrinks when it is heated and expands when it is cooled could help enable the ultra-stable space ...

With a diameter about twice that of Jupiter, HAT-P-67 b is the widest planet that astronomers have discovered so far. It was found in 2017 at about 1,212 light-years from Earth, but its mass is ...

Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really small star. The discovery defies current understanding of how planets form.

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of the world's most powerful telescopes.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show. Close. Advertisement.

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 light-years from Earth. CNN values your feedback 1.