Far from being solid bullets of rock, many asteroids are fragile clusters of debris that spin so quickly they flirt with self-destruction. When their rotation rate climbs past a critical threshold, ...

Asteroid Didymos is spitting rocks out into space. Last fall, when NASA's DART mission impacted Didymos' moon Dimorphos in a dramatic (and successful) attempt to change the object's orbit, DART got a ...

Using data from NASA’s Spitzer Space Telescope, scientists have identified the three fastest-spinning brown dwarfs ever found. More massive than most planets but not quite heavy enough to ignite like ...

A team of planetary scientists at Universidad de Alicante, in Spain, has found that the asteroid Didymos may be spinning so fast that it is flinging off rubble from near its equator. In their paper ...

The only deceptive thing about the Fast and Furious movies is that the people behind them pretend they’re still movies about cars. Don’t let the talk about torque and fuel-injection systems fool you: ...