Our lofty friends, the giraffes, are slowly and quietly disappearing from the wild. Some organizations are trying to help ...

Over 130 mammal species can delay embryonic development, giving their offspring the best possible chance of survival in ideal ...

Researchers have gained new insights into the mechanism behind the spatial organization of DNA within the cells of early embryos. When an embryo is first formed after fertilization, each cell has the ...

The majority of fertilized eggs die and are resorbed into the body. ZEISS Microscopy/Flickr, CC BY-SA As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of ...

The University of Alabama at Birmingham health system has paused infertility treatments after the Alabama State Supreme Court ruled embryos created during in vitro fertilization should be legally ...

The University of Alabama at Birmingham health system has paused in vitro fertilization procedures following an Alabama Supreme Court decision due to fear of criminal prosecution and lawsuits, a ...

The team placed blastocysts—embryos 5-6 days after fertilization that were donated following IVF procedures—onto the artificial endometrium. The blastocysts attached to the surface of the lining, ...

(a) Fluorescence images showing the chromatin in FGO stained with DAPI. Scale bar, 20 μm. Yellow triangles indicate DAPI-dense heterochromatin foci and the red triangles denote the nucleoli or NLBs.