Fruit flies in space! Chinese astronauts show off experiment on Tiangong space station (video)

Two astronauts float in the busy white interior of a space station, holding equipment, wearing ppo masks.

China's Shenzhou 19 astronauts have some winged companions to oversee aboard the country's space station.

The astronauts arrived at the Tiangong space station on Oct. 29, beginning their six-month-long stay in orbit. They have since been joined by 15 adult fruit flies and 40 pupae, which arrived aboard the Tianzhou 8 resupply mission on Nov. 15.