Radiation and microgravity are two of the greatest hazards to astronauts’ reproductive health. “Space radiation can damage ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

THE VACCINE MAKER MODERNA decided this past week to tell the world about bad news it had received from the federal government ...

In the modern world, the human body is besieged by a silent category of chemicals that interfere with one of its most ...

Both the UK and US Governments have pledged to end research using animals, but is such a goal realistic? And how might it change medical research? Talha Burki reports.

Even then, it only takes one sperm to fertilise an egg, with only around 200–500 sperm typically surviving the journey to reach it. Added to that, it turns out that a woman's uterus can actually taste ...

It’s a weird time to talk about contraceptives. Here's what the debate is missing.

Objective To compare the diagnostic accuracy of minipad collected menstrual blood versus clinician collected cervical samples ...

Reproductive health is governed by a complex network of hormones and signaling pathways. Among the most important discoveries ...

A new study by cell biologists at the University of California, Santa Cruz, suggests that an early first pregnancy may protect against breast cancer decades later by preventing age-related changes in ...

Greenland sharks can live for hundreds of years, drifting through some of the coldest and darkest waters on Earth. Once dismissed as slow, clumsy and nearly blind, these deep-sea giants are now ...

A new study by cell biologists at the University of California, Santa Cruz, suggests that an early first pregnancy may ...