Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

Virgo, I would love for you to gather more appreciation and attention while simultaneously raising your income.

Asphaug and Emsenhuber teamed up on another Nature Geoscience publication last year examining the possible origins of Pluto’s Tombaugh Regio, that heart-shaped feature named in honor of Clyde ...

Pluto had been discovered by Clyde Tombaugh in 1930, but not much was known about it; its diameter and mass could only be guessed at the time. For example, after its discovery, astronomers thought ...