Scientists found that fruit fly embryos can develop through multiple genetic paths, not just one. This challenges traditional ideas.

which can be performed using fresh or frozen embryos. Recent research has focused on understanding the outcomes associated with different embryo transfer protocols, particularly the impact of ...

Holligan’s embryo is far from the only one in this peculiar limbo. Millions—or potentially tens of millions—of embryos ...

In January 2023, I chose two different embryos, in case one didn’t stick. They were both boys. After years of disappointment, I was so hopeful. This was my chance. Using separate donor eggs and ...

It’s a new way to create “bi-paternal” mice that can survive to adulthood—but human applications are still a long way off.

Is there only one optimal configuration an organism can reach during evolution? Is there a single formula that describes the trajectory towards the optimum? And can we 'derive' it in a purely ...

Old viral DNA, once thought to be gone forever, is reactivated in mammalian embryos, with each species showing unique ...

Now that the human genome is better understood, and we can rank embryos for different diseases and traits, it’s time to think about the ethics of reproduction. This is where Jonathan Anomaly ...

A mouse with no biological mother has survived to adulthood in China – a major scientific achievement that's been years in ...

For six years, the Turleys pursued infertility treatments. Jennifer underwent several rounds of intrauterine insemination ...