The buzz around interstellar object 3I/ATLAS—hypothesized by some to be anything from an exotic comet to a piece of alien technology—is likely to take another unpredictable turn, with a new image ...

Comet 3I/ATLAS is drawing unusual attention because it doesn't behave the way most comets do in photographs and time-series imaging. As it heads back out of the inner solar system, astronomers are ...