The four zebrafish arrived at the Tiangong space station aboard the Shenzhou 18 spacecraft on April 26, along with astronauts ...

In their study, Romaguera and his collaborators examined this behavior in a group of zebrafish confined in a circular tank. As they observed the fish, they discovered a distinctive pattern in the ...

Running repeated experiments takes lots of test subjects, and zebrafish oblige. In the wild, sunrise triggers mating; in Hogan’s lab, it’s spurred when he turns on lights and lifts the tank ...