Above Earth, there is a void, a no-go zone that spacecraft enter at their own peril

Scientists around the world are working on ways to hide us from sight. But how close are we to developing tech that could make us invisible?

Yes, we're serious

Sticking to any diet is tough. This trick may help you achieve your weight loss goals

The textbook version of a heart can look flat and motionless, which doesn't really equip us with a proper understanding of how it works. It looks different on an ultrasound scan (also known as an echocardiogram). It's easy to be struck by how tireless it is: contracting and relaxing in a precise rhythm without change. It's hypnotic. But of course, the heart does tire – it just takes a few billion beats for it to happen. And for some of us, years of neglect means that it’s likely to happen a little bit sooner. So, how can we add some extra beats or, at the very least, make life a bit easier on the old ticker? Alongside all the usual advice (get some exercise, eat less bacon and so on) researchers are discovering that some surprising small changes can also significantly lower your risk of heart disease. And the good news is that they add up. In this issue, we share what we’ve uncovered.

A new study warns that antibiotic use in livestock could soar by 2040 – threatening both human health and global food security

Note to self: never date an anglerfish

Step aside, Loch Ness Monster

Expert-backed tips for the best post-work life