When NASA set out to slam a spacecraft into a comet, the goal was not spectacle but data: a controlled impact that could peel back the outer layers of a primordial body and reveal what the early solar ...

It survived. Interstellar comet 3I/ATLAS has flown past the Sun and emerged intact, but it is not done making news. As of 15 November 2025, it is putting on a show: it has grown a spectacular tail, ...