Nasa’s Curiosity rover has been investigating the spider-web-like rock formations found on Mars – and found mysterious egg-like structures. Newly issued images show giant zig-zagging ridges, known as ...

The cytoplasm of ruptured Xenopus frog eggs spontaneously reorganizes into cell-like compartments, according to a study. Can scrambled eggs unscramble themselves? Well, sort of. The cytoplasm of ...

Egg cells need to store large amounts of proteins and other molecules to support the earliest stages of development. But how do they organize this supply? Egg cells have a dedicated storage system, ...