In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

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

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 ...

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

Cheetahs may be the fastest land animals, but how do they compare to other big cats like lions, tigers, and leopards? From their unique hunting style to their slim, aerodynamic build, cheetahs stand ...

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

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

Claims for the detection of life on other planets go back decades. Here's why you should still be skeptical despite recent ...

Astronomers have discovered a remarkable planetary system that challenges long-held assumptions about where planets can ...

Small companion galaxies around our neighboring Andromeda galaxy appear to stretch and point toward Earth in a fascinating ...