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 ...

Have you ever looked up on a clear night at the stars and noticed that some of them seemed to twinkle or dance? This twinkling is due to the Earth’s atmosphere. When light reaches Earth from a star, ...

Jake Clark is supported by an Australian Government Research Training Program (RTP) Scholarship. Is the sky blue on other planets, like on Earth? What is an atmosphere, and do other planets have one? ...

This animated film introduces young viewers to the Solar System, guiding them through the Sun, planets, and other celestial bodies. Using colorful illustrations and engaging rhymes, it presents key ...

I recently embarrassed myself by admitting that I know nothing about astronomy and can’t fathom my kids’ passion for it, even when we are standing under the night sky with a super-telescope. I’ve ...

Deep below the surface of Mars is a mysterious place—we still don't quite understand what it looks like. But scientists think the interior may hide clues that help them piece together the planet's ...