Pluto's icy heart is beating. The dwarf planet's famous heart-shaped feature, which NASA's New Horizons spacecraft discovered during its epic July 2015 flyby, drives atmospheric circulation patterns ...

A new formation theory for Pluto's moon Charon could explain why Pluto is geologically active. Illustration incorporates NASA New Horizons terrain imagery. Pluto — demoted to dwarf planets status in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Artistic representation of the huge and slow impact on Pluto ...

After January 12, anyone going through Lowell Observatory will not be able to see the telescope Clyde Tombaugh used to discover Pluto. The telescope is being removed temporarily for a year-long ...

As an astronomer, the question I hear the most is why isn’t Pluto a planet anymore? More than 10 years ago, astronomers famously voted to change Pluto’s classification. But the question still comes up ...

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The heart is pumping nitrogen-dominated air around Pluto, according to a new study. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pluto's icy ...