Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. New observations reveal ...

Is it actually possible that a comet from another star system could change color right in front of our eyes and then broadcast its chemistry in X-rays? That’s exactly what is being observed by ...

The interstellar comet 3I/ATLAS has been a subject of fascination since its discovery, with recent claims suggesting it hasn’t ‘changed color’ despite widespread speculation. An astronomer even ...