New technologies could reimagine baby-making as we know it. But will they actually replace tried-and-tested (and enjoyable) ...

Researchers are gaining a new appreciation for the genes on the X and Y chromosomes and how they shape sex differences in ...

“Estrogen is basically turning up the sensor for acetate,” Ingraham explains. “It’s a compound gut bacteria produce when they ...

The core point is simple and decisive: the human advantage in an age of abundant automation will be the ability to choose the ...

A massive study of ancient and modern DNA from thousands of West Eurasian people has identified nearly 500 genetic variants ...

Animal testing has shaped medicine for decades. Discover new alternatives, changing laws, and the future of humane science.

If you walked into a modern operating theater today, you might see a surgeon sitting at a console, guiding robotic arms with calm precision. It already feels futuristic. Smaller cuts, ...

The Thomas Edison National Historical Park preserves the actual laboratory where Edison and his team perfected the phonograph ...

A female Anopheles quadrimaculatus mosquito takes a blood meal from a host. For millennia, this mosquito has spread malaria.

Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, ...

The human immunodeficiency virus (HIV), which is the cause of AIDS, is a master of deception, using just nine genes to hijack ...

Each month during a woman's menstrual cycle, an ovary prepares 10–20 antral follicles, fluid-filled sacs that hold immature ...