Every embryo of an organism that reproduces sexually faces an early and consequential decision: which of its cell lineages will make up the mortal body, and which will become the germline, the lineage ...

Think of a small fossil as the equivalent of a homemade video of prehistoric life. Fossils formed when sea organisms began ...

In vitro fertilization has become a bigger part of reproductive rights debates as a once-fringe movement to recognize embryos as people grows louder.

Not in the insidious, rubbing-your-hands-together way. Instead, he’s trying to figure out his next move – or, to be more specific, moves, in the increasingly pothole-filled world of animation. The ...

Idaho parents may start hearing about Baby Olivia in the coming months. She’s not a new sibling coming to join one of their classmates. She is the fetus shown developing in a video created by an ...

This video offers a captivating look at the key stages of human embryonic development—from fertilization to the early formation of organs. It begins with a single-cell zygote and follows its journey ...

Frozen embryos are filling storage banks around the world. It's a struggle to know what to do with them. Lisa Holligan already had two children when she decided to try for another baby. Her first two ...

Cells aren’t just the basis of life; they’re the basis of biology learning. This Digital Teaching Box includes resources for teaching introductory cell biology, from the definition and function of the ...

Fifty-four years ago, I did something extraordinary. I built myself. I was a single, round cell with not the slightest hint of my final form. Yet the shape of my body now – the same body – is ...

Tennessee could soon become the latest state to require public school students to watch a three-minute computer-generated video on fetal development created by an anti-abortion group. The state Senate ...