MEXICO CITY — When she walked into an IVF clinic in June, Alin Quintana knew it would be the last time she would try to conceive a child. She had prepared herself spiritually and mentally for the ...

For decades, scientists have built bizarre-looking apparatuses for babies to traverse. The purpose of these wobbly bridges, narrow paths, and see-through walkways – all suspended over sheer drop offs ...

As humans expand into space, how we'll continue to expand the species remains an important question. Spaceflight has a broad impact on the way our body functions — and that includes our reproductive ...