Pluto
Pluto’s heart-shaped scar may offer clues to the frozen world’s history
Science
Dr. Sarah Adams
When NASA’s New Horizons mission flew past Pluto in 2015, it gave humanity our first glimpse of a colossal depression on the ...
An ancient, cataclysmic ‘splat’ may have created Pluto’s heart
Science
Dr. Sarah Adams
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A huge heart-shaped ...
Pluto TV will rally to make Pluto a planet again on April 1 (it’s no joke)
Science
Dr. Sarah Adams
Pluto may have lost its status as a full-fledged planet in 2006, but that doesn’t mean it’s a joke of a world ...
