If you're like many people and have wondered why humans haven't gone back to the moon since 1972, there are several explanations to this, with most of them involving money. It has indeed been more ...

Last Word is New Scientist’s long-running series in which readers give scientific answers to each other’s questions, ranging from the minutiae of everyday life to absurd astronomical hypotheticals. To ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...