Beyond Pluto lies a collection of frozen worlds that challenge traditional ideas of what planets should be. This episode ...

On Feb. 18, 1979, snow fell in the Sahara Desert in southern Algeria for the first known time. It fell a second time in 2016 and a third time in 2018.

Read today's free daily Aquarius horoscope to see what's in store for you including predictions on love, romance, health, happiness, career, success and more ...

February 18 marks the discovery of Pluto by astronomer Clyde W. Tombaugh. The discovery reshaped the understanding of the solar system, as Pluto was long considered … ...