Big dams don’t just redraw maps — at extreme scale, they can nudge Earth’s rotation by a hair. Here’s what NASA-backed ...

A huge reservoir nestling in the heart of the Three Gorges Dam is to blame for the disruptive patterns in Earth's rotation.

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...

Experts say NASA’s plan to set up a nuclear reactor on the moon could transform lunar exploration and marks a long-awaited ...

July 22 is one of the shortest days in history due to Earth spinning faster. The shortest day in history is coming up next month.