If you feel like you never have enough hours in the day to do everything you want to do, don't worry. You just have to wait ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

A day with 25 hours? It sounds like a fantasy, but scientists are uncovering the slow dance of Earth's rotation that could ...

For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to ...