Tobacco has done bad things for public health — but what about e-cigarettes?

Planets going rogue and abandoning their star to wander the galactic hood could actually be pretty common.

Rogue planets drift freely through our galaxy, rather than orbiting around a star — and researchers estimate there could be billions in the Milky Way alone.

Barcodes look deceptively simple, but it took 25 years - and two episodes of Great Moments in Science! - to get from that lightbulb moment on a beach to the first barcode and scanner at a checkout.

The story of the barcode has everything - from gangsters to newborns and a whole lot of sand.

If that image is creeping you out, you could have trypophobia.

When you pick up a seashell and hold it to your ear, why can you hear the sound of the ocean?

Why do some people get headaches from eating ice-cream or drinking something very cold

We're all just one small rock away from extinction.

Everybody needs good planetary neighbours. But who is our closest?