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 ...

Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

Discover the Kuiper Belt: a frozen ring of dwarf planets and trillions of icy bodies, currently being explored by NASA's New Horizons mission.

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Want to find out more about the upcoming retrogrades of 2026? Discover the dates and astrological significance of each ...

By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its ...

The system, observed using the European Space Agency's Cheops space telescope, consists of four planets — two rocky and two ...

Astronomers have uncovered a planetary system that challenges conventional theories of planet formation. The system likely includes a rocky planet that formed beyond the orbits of its gaseous ...

On February 18, 1930, the American astronomer Clyde Tombaugh discovered Pluto! Before he discovered Pluto, another astronomer named Percival Lowell had spent over a decade trying to find it. He had ...

A parade of six planets will be visible in Michigan night skies. What to know about the alignment.