For centuries, the length of an Earth day has stayed close to 24 hours. But in reality, Earth’s spin is not constant. It slightly speeds up or slows down due to natural and, increasingly, human-driven ...

On those three days, just over a millisecond is expected to be shaved off the standard 24-hour day. Of course, you're unlikely to notice such a miniscule difference in your day. But scientists who ...

Jupiter boasts the shortest day in our solar system, completing a rotation in just under 10 hours. This rapid spin, a result of its immense size, gaseous composition, and retained angular momentum ...

When we talk about feats of engineering, very few megastructures on Earth rival the sheer scale of China's Three Gorges Dam. It's located in Hubei province, spanning the mighty Yangtze River, and it's ...