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 ...

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 ...

Can we terraform other planets so that the human race can spread around the Solar System? – Xander, aged 14, Eindhoven, The Netherlands Of the eight planets in the Solar System, we live on Earth, and ...

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 that children have unlimited imagination! From planets to rockets to aliens ...