Researchers have created human embryos by taking nuclei from ordinary skin cells, placing them into donated eggs, and ...

A Science study reveals how human ovaries age, explaining why female fertility declines so fast and how the biological clock ...

In the lab, Johns Hopkins University neuroscientist Minhyeok Chang and colleagues identified tiny tubular bridges in the ...

Discover how CoQ10 fuels your body’s energy systems, protects against oxidative damage, and supports heart and metabolic ...

In Florida, two key coral species responsible for building coral reefs have been killed off because of extreme ocean heat, a ...

Researchers confirmed that sperm accumulate mutations over the years, increasing the risk of transmitting diseases to ...

Once a sperm has broken through to an egg cell in order to fertilize it, the two cells need to hold together tightly. This ...

Researchers at Oregon Health & Science University (OHSU) have developed a remarkable new way for making human body cells ...

New research suggests that your spunk does indeed have an expiration date, at least in terms of how harmful, age-related ...

Human sperm can swim through surprisingly viscous fluids with ease – and they seemingly defy Newton's third law of motion to ...