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 ...

For nearly a billion years, Earth’s rotation stopped slowing down. Locked in a rare cosmic balance, the planet’s day remained fixed at 19 hours, stalling the normal progression toward longer days.

On certain trans-Pacific flights, you can "time travel" by crossing the International Date Line. For example, if you want to go from San Francisco to Tokyo, and your flight departs at 5:00 p.m. on ...

Lisa Maynard-Atem, 47, can barely remember what she had for breakfast three days ago, let alone what happened last year. Halfway into 2025, we’ve had World War Three scares, deadly weather events, a ...