Add Yahoo as a preferred source to see more of our stories on Google. Why does a leap year have 366 days? Does the Earth move slower every four years? – Aarush, age 8, Milpitas, California You may be ...

If you look at your calendar this week, you will see an unusual date: Feb. 29. That’s because 2024 is what’s known as a leap year — and while those in the Northern Hemisphere might not be thrilled to ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why does a leap year have 366 days? Does the ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...