Artificial insemination (AI) introduces sperm into a woman’s uterus, allowing her to get pregnant without sexual intercourse. It can be conducted with donor sperm or the intended father’s sperm.

For many struggling to conceive, an early line of treatment is artificial insemination, a procedure that can cost up to $1,000 and isn't always covered by insurance. But before taking that step, the ...

The mighty Amur tiger once prowled vast swaths of northeast Asia, including eastern Russia, the Korean peninsula, and parts of China and Mongolia. Now, there are more Amur tigers living in captivity ...

The female ocelot lay anesthetized on the exam table, behind the scenes at the Albuquerque Biopark Zoo. As a veterinarian on the team preparing to artificially inseminate this animal, my palms were ...

It's been a nail-biting three months for zookeepers at the Smithsonian's National Zoo, waiting to see if Nikita would give birth to tiger cubs. Now, as what would be her due date approaches, it's ...