Senescence. It’s a beautiful-sounding word whose tones suggest it should be a perfume or an essential oil. But that’s not ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

From the moment an embryo starts to take shape, two-way communication is critical for making sure tissues and organs develop correctly.

(CNN) -- A human embryo, containing about a couple hundred cells, is smaller than the period at the end of a sentence. Scientists need strong microscopes to see these precursors to life, and to take ...

The International Society for Stem Cell Research (ISSCR) Embryo Models Working Group has released updated recommendations for the oversight and regulation of stem cell-based embryo models (SCBEM), ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that replicate certain aspects of very early human development - including the ...

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 ...

Scientists at the University of California, Santa Cruz (UCSC), used CRISPR to engineer cellular models of embryos that mimic what happens in the first few days after reproductive cells meet. These ...

An Aug. 11 article about stem cells misspelled the name of National Institutes of Health official Lana Skirboll. (Published 8/13/01) For all the restrictions President Bush imposed on federal funding ...