These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

Prepare to get schooled If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies ...

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't ...