Optical illusion gives green comet an ‘anti -tail’ that defies physics

Is it a bird? Is it a plane? No, it’s a mysterious interstellar interloper spotted passing through our Solar System. The comet, named 3I/ATLAS, was discovered by NASA’s Asteroid Terrestrial-impact Las

Of the hundreds of thousands of asteroids in our solar system, it is all too feasible that one could strike Earth. If scientists discover this is likely to happen, what are our options for defending ourselves – and who will make the key decisions? Tomas Weber reports

Isn’t it amazing that astronomy – humanity’s oldest science – continues to generate such a delightful amount of new knowledge? Seeing as we’ve been studying the motion of the stars for a good long whi

Meteor showers occur when Earth passes through the fine dust debris strewn around the orbit of a comet. This happens when Earth is in a similar position in its orbit every year, and meteor showers rep

Flicking through the pages of BBC Sky at Night Magazine each month, you’d be forgiven for thinking astronomers have black holes pinned down. Whether it’s the dramatic imaging of black hole shadows by

THE People’s Friend” has always made an effort to cover a wide array of topics. We can see this right from its earliest days. Content published in the magazine throughout 1887 shows that we were just