A distant, icy world has just been added to our solar system’s official roster, and its strange orbit might challenge one of ...

Astronomers have found a new minor planet beyond Pluto. This object, named 2017 OF201, is quite large. It orbits far from the ...

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

Astronomers have identified a new trans-Neptunian object, 2017 OF201, located far beyond Pluto. Its enormous size, comparable to dwarf planets, and hi ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Six known objects in the Kuiper Belt have elliptical orbits ... objects from the Kuiper Belt orbit in the opposite direction from everything else in the solar system, according to NASA.

Asteroids are made of metals and rocky material. There are many asteroids in our Solar System which orbit the Sun in oval or egg-shaped elliptical orbits which can take millions of years to complete.

After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders brings the two spacecraft closer together, leveraging an algorithm to ensure ...