When your large intestine, or colon, is working smoothly, you hardly think about it. But when it isn’t functioning properly, ...

New research from the University of Washington indicates that exposure to wildfire smoke can reduce key aspects of sperm ...

The lab-generated eggs could be fertilized with sperm, but were riddled with chromosomal abnormalities. Most embryos stopped ...

You may be breathing through your mouth because you have obstructive sleep apnea, a sleep disorder where breathing repeatedly ...

Generating gametes from nonreproductive tissues could help overcome infertility. Previous studies have successfully ...

Oregon scientists used human skin cells to create fertilizable eggs, a step in the quest to develop lab-grown eggs or sperm ...

Good morning. The government is shut down, but the First Opinion Podcast is back. Take a listen.

Scientists describe the technique as an early proof of concept and say it could take at least a decade of further research ...

It is no longer science fiction: human embryos have now been made from DNA in skin cells that were fertilised with sperm, a ...

Trump’s plan to deploy 200 Oregon National Guard troops has galvanized opposition in the state. Attorney General Dan Rayfield ...