While we commonly recognize the likes of Mercury, Venus, Earth, and Mars, these outlying planets offer fascinating insights into the broader nature of our Solar System and the cosmos beyond.With ...

There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, temperature, and characteristics.

In 2024, we'll have much to look at in our wonderful solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Upon the discovery of its existence in 1930, Pluto enjoyed decades of special status as one of the solar system's planets. Then, in the summer of 2006, Pluto was demoted.

From quasi-moons to asteroids with rings, the Solar System is beaming with weird and exotic objects that tell the story of how it came to be billions of years ago. Arrokoth As an ancient ...

Our solar system used to have nine planets. Astronomer Mike Brown, also known as “the man who killed Pluto,” said he got hate mail from kids and obscene calls at 3 a.m. for years after his ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same time, challenging current models of our solar system’s evolution.

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

A rare celestial event on Feb. 28 will offer skywatchers the chance to witness a "planet parade" of all seven planets in our solar system outside of Earth.