It's a small world after all, because today, we're shrinking Earth to the size of Pluto. But if our planet was this tiny, how would it alter the atmosphere? Why would the Earth get hotter?

To understand what happened to Pluto, we must actually go back to the ... A group of German astronomers organized themselves into a Missing Planet Bureau and undertook a detailed search of likely ...

A brand new era for Capricorns has finally begun. Pluto moves out of the zodiac today, making its way on to Aquarius. If you can't tell, it's a big deal 16 years. That's how long Pluto had ...

Pluto is too far away from Earth to be seen with the naked eye. If you stood on Pluto's surface, the Sun would merely appear to be a very bright star. Although previous images showed that ...

Artistic representation of the huge and slow impact on Pluto that led to the heart-shaped Sputnik ... [+] Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever ...