The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images reveal the comet's bright coma but show no signs of a tail.

Add Yahoo as a preferred source to see more of our stories on Google. Several of NASA's space-based missions have observed Interstellar Comet 3I⧸ATLAS. As it approaches Mars, orbiters and rovers may ...

Imagine catching a fleeting glimpse of a visitor from beyond your known neighbourhood, a traveller moving at impossible speeds, and then trying to plot its exact route. That's the challenge ...