Seven days to a fitter you: Read our top exercise long reads for free

Newly discovered 'mini-Neptune' may have an ocean or an atmosphere - but not for long

The 'Rapunzel' Virus Has a Freakishly Long Tail, And We Finally Know Why

Researchers develop a "space salad" perfected suited for astronauts on long-durations spaceflights. The salad has seven ingredients (soybeans, poppy seeds, barley, kale, peanuts, sunflower seeds, and sweet potatoes) that can be grown on spacecraft and fulfill all the nutritional needs of astronauts.