The ancient Greeks proved over 2,000 years ago that the Earth was round and figured out how big it was by using simple observations of the Sun. But how do people know this today? When you drop ...

All images courtesy of Two Kids and a Coupon Do your kids have dreams out of this world? Outer space is amazing and we love ...

Curious Kids is a series for children of all ages. Have a question you’d like an expert to answer? Send it to CuriousKidsCanada@theconversation.com. Why does it matter if Pluto is a planet or a dwarf ...

Hi Courtney, what a great question! Our Solar System is a pretty busy place. There are millions of objects moving around – everything from planets, to moons, to comets and asteroids. And each year ...