The record-breaking asteroid, about the length of eight football fields, made one complete rotation in 1.88 minutes. Determining this asteroid’s rotating speed allowed the astronomers to determine its ...

This video explores the Renault FT-17, the groundbreaking French light tank that transformed armored warfare. It examines its revolutionary design with a fully rotating turret, rear engine, and front ...

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Cyclic fluctuations in the frequency and intensity of volcanic activity are recorded during periods of global climate change. Volcano-sedimentary successions (e.g., in near-coastal environments) may ...