A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at the ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

At the very edge of our solar system, beyond the grasp of Neptune and even past the icy sprawl of Pluto’s domain, a new ...

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

A quantum computer with a million qubits would be able to crack the vital RSA encryption algorithm, and while such machines ...

In 2006, the International Astronomical Union stopped classifying Pluto as our solar system’s ninth planet and demoted its ...

NASA has found a frozen sphere 13.8 times the mass of Jupiter in a forbidden zone in space where planets aren't supposed to ...

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.