Ultrastructure expansion microscopy of murine male germ cells reveals the fine molecular structures of centrioles (shown in the enlarged image). DNA is stained in blue, and the chromosome axis in red.

As human space exploration extends toward long-duration missions and off-Earth settlements, understanding the impact of microgravity on reproduction is vital for sustaining life beyond Earth. This ...

When Jasmin Imran Alsous peered down her microscope lens, she expected to see chaos—a mishmash of tangled cells. She was ...