When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA/Robert Lea (created with Canva) New research suggests that billions of years ago, ...

Pluto may be small, but it has one of the most unusual moons in the solar system. Charon is so big compared to Pluto that the ...

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In this except from "Space Camp," a special series from NPR science podcast Short Wave, host Regina Barber delves into Pluto's demotion from planet to dwarf planet. It's not exactly news to say that ...

It's not exactly news to say that Pluto is no longer considered a planet. That made headlines almost 20 years ago. But what if I told you that decision at the time was controversial, not just among ...