This new theory helps explain the large, 1,600-kilometer-wide heart-shaped area on Pluto's surface covered by a thick layer of nitrogen ice, which has intrigued scientists since its discovery by ...

When NASA’s New Horizons mission flew past Pluto in 2015, it gave humanity our first glimpse of a colossal depression on the isolated world. It's named Sputnik Planitia. Comparable in size to ...

But we have reason to believe Pluto's heart is a bit warmer than the ice the covers it. Produced by Alex Kuzoian Follow BI Video: On Facebook More from Science NASA's New Horizons spacecraft took ...

Pluto — famous for being reclassified as a dwarf planet — might not have a heart of ice after all. In fact, every bit of Pluto was assumed to be frozen over considering its distance from the Sun.