boner jockeys
Scientists who study the universe are known as cosmologists.
Scientists can obtain microbes by collecting samples from various environments such as soil, water, or the human body. These samples are then cultured in a laboratory setting to isolate and study the microbes. Alternatively, scientists may also receive microbial strains from culture collections or other researchers.
Well scientists do study them but there isn't an actual name of the study of them.
paleontologist
archeologist
they use a robot to scoop up mud from the ocean, the mud is full of microbes
A Volcanologist.
Astronomer
Paleontologist
Penis
Ichthyologists are scientists that study fish
Scientists who study classification (taxonomy) are known as taxonomists.