A study links high consumption of ultra-processed foods to reduced male fertility and subtle changes in early embryo growth ...

Higher maternal ultraprocessed food (UPF) intake is associated with smaller early embryonic growth and yolk sac volume.

New study finds microgravity disrupts sperm and embryo development, raising concerns about human reproduction in space.

Microgravity affects sperm navigation and reduces fertilization success, raising challenges for space reproduction and embryo ...

Researchers have mapped how "histone bivalency" acts as a molecular clock for brain development. By holding genes in a poised state, this mechanism ensures neurons mature only after completing ...

But what’s the evidence for transgender advantage in sport?

Living in space sounds exciting, but having babies and starting a family there might be a completely different story. New ...

Sitting above each kidney are two small endocrine glands about the size of walnuts. These are the adrenal glands, responsible ...

By Will Dunham WASHINGTON, March 30 (Reuters) - As humankind moves toward the goal of establishing a long-term presence on ...