They were fish out of water. Swimming in a fishbowl 380 kilometers above Earth, they flipped, spun, and struggled to find their bearings — until they adapted. For 43 days in 2024, four zebrafish ...

After China's first "space fish farming" experiment yielded fruitful results, the "fish astronauts" are expected to embark on another journey to Tiangong Space Station this year to help scientists ...