Not only is AI slop taking over the internet, but it’s becoming indistinguishable from the real deal. Scientists have found ...

Then researchers placed blastoids and embryos donated after infertility treatments inside the little device and watched it ...

As more people turn to donor sperm to grow their families, a new sperm bank is challenging outdated norms.

Research into how a father’s choices — such as diet, exercise, stress, nicotine use — may transfer traits to his children has ...

A recent study published in Evolutionary Psychological Science failed to find evidence that body mass index is be a strong predictor of sperm quality during intercourse in young, committed couples.

Say you want to listen in on a group of super-intelligent aliens whose language you don't understand, and whose spaceship ...

The mammals' mysterious clicks contain a stunning level of complexity, a new study shows. A group of sperm whales (Physeter macrocephalus) swims together in the Indian Ocean. For years, researchers ...

Sperm whales swimming off the coast of Dominica. The marine mammals have a complex communication system that scientists are working to decode. Amanda Cotton Get the Popular Science daily newsletter💡 ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

Human semen not only accumulates genetic mutations with age; as the percentage of sperm carrying potentially serious mutations increases, so does the risk of developing diseases in offspring. This is ...

PORTLAND, Ore. — Researchers have created human embryos by taking nuclei from ordinary skin cells, placing them into donated eggs, and fertilizing them with sperm. The work is a laboratory ...

Megan Molteni reports on discoveries from the frontiers of genomic medicine, neuroscience, and reproductive tech. She joined STAT in 2021 after covering health and science at WIRED. You can reach ...