3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in ...

The other two known interstellar comets did not offer such an opportunity.

The Bulletin of the Atomic Scientists now says humanity is a metaphorical 85 seconds to global disaster.

The international team of astronomers reports that all of the types of ice in the comet appear to be sublimating. This is the phase change where a solid turns into a gas, skipping the liquid phase.

A mysterious visitor from another star system has become the focus of scientific fascination and public curiosity, but why ...