The planets of our solar system orbit in a thin, orderly plane, but beyond this familiar disc lies a vast and complex cosmic environment that reshapes how we understand space itself. From the ...

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. What is below Earth, since space is present in ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Finding Earth’s exact position in the galaxy took centuries of observation and innovation. This story follows astronomers as they counted stars, measured motion, and mapped the Milky Way with ...