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 ...

Climate change is slowing Earth's rotation at record speeds, causing GPS timing errors and navigation delays on your ...

In the Northern Hemisphere, Earth’s axis of rotation, referred to as the “North Celestial Pole,” currently points to a spot on the celestial sphere near the star Polaris (the “North Star” or “pole ...

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 ...