DNA damage equal to a daily pack of cigs and frail bones due to lack of gravity: If astronaut Suni Williams looks likes she's aged a decade after spending 288 days in space – that's probably because she has!

We’ve all looked in the mirror and bemoaned the effects of gravity…

Subtle clue as astronaut was stretchered away that something was wrong with her health

The world watched last night as two NASA astronauts emerged from their…

Terrifying reality of what modern life does to your body – as exposed by an extreme experiment that will change the way you live

Down and down I went, into a concrete ­stairwell, four-and-a-half flights below…

Doctors reveal how much vitamin D you really need after this damp summer – and the surprising foods that can help

It’s dampened our spirits, ruined many a get-together and washed out countless…

How this 2ft venomous lizard holds the key to Ozempic's slimming powers… and it's not the only breakthrough from a deadly creature

Venomous bites and stings from spiders, scorpions, snakes, lizards and jellyfish —…

What nanoplastics are in YOUR water bottle and how exactly do they get there – after shock study reveals average one contains 240,000 pieces

There’s probably one lurking on your desk, kitchen top or bedside table.…