Centaurs, these objects orbiting between Jupiter and Neptune, exhibit traits of both asteroids and comets. (2060) Chiron, in ...
An asteroid larger than Manhattan is soaring past the Earth today, and may be visible to the naked eye.  Alida, described as ...
It’s a bird! It’s a plane! No, it’s an asteroid-comet hybrid called a ‘centaur’ that might not even be that. Asteroids are ...