Sperm cells have a monumental task, but their days are numbered. From the moment they're made in the testes to the time they may spend winding their way up the labyrinthine of the female reproductive ...

According to the team, changing the human-based perception of timing was crucial to these findings. In humans, vowels are ...

The day when human sperm and eggs can be grown in the laboratory has inched a step closer, with the discovery of a way to recreate a crucial developmental step in a dish 1. “Epigenetic reprogramming ...

The sperm is not a passive supplier of genetic material to the egg. A study from Linköping University, Sweden, shows that ...

In which we meet the pioneers of one of the most exciting — and controversial — fields of biomedical research: in vitro gametogenesis, or IVG. The goal of IVG is to make unlimited supplies of what ...

Scientists have spent the last five years observing sperm whale communication and behaviors using tags, buoys and drones. They’ve finally begun to learn how whales use calls for communication.

A number of factors can play a decisive role in some couples' inability to conceive, which may lead them to turn to fertility treatments like IVF or IUI. But before couples get to that point, they ...