Be spherical in shape (Pluto is round due to its gravity). Clear its orbit of other debris (Pluto fails this). Pluto shares its orbit with other objects in the Kuiper Belt and is not ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

Be spherical in shape due to its own gravity. Have “cleared its orbit” of other debris. Pluto meets the first two criteria but failed the third, losing its planetary status bu joining the ...

NASA scientists have discovered Altjira system, a group of 3 space rocks in Kuiper Belt, providing evidence for the theory of ...

The triple star system is sending comets, asteroids and meteors our way, and the number of interstellar objects entering the solar system will rise.

The Oort Cloud begins roughly 2,000 – 5,000 astronomical units (AU) from the Sun, with 1 AU being the average distance between Earth and the Sun.

You can see the planetary parade almost every night this week with the best happening on the last day of the month.

When will Pluto lie farthest from the Sun ... happens when a massive star uses up the nuclear fuel in its core. At this point, gravity overwhelms the outward force of radiation.

A hidden structure at the farthest reaches of our solar system is challenging long-held theories. Using advanced simulations, a NASA supercomputer has revealed that the Oort Cloud, a vast shell of icy ...

It’s a new episode of the Terry’s Talkin’ podcast, with cleveland.com columnist Terry Pluto and host David Campbell. We begin today’s podcast discussing the legacy of late Guardians owner Larry Dolan.

Defy gravity with out-of-this-world space trivia collected from the National Aeronautics and Space Administration ...