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Embryology

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Comb Jelly Tissue Creates Extra Body Axis When Transplanted into Sea Anemone

The Nature paper shows that tiny blastopore tissue from a ctenophore can instruct host embryonic cells to form new mouth and axis structures, a result that could push axis-patterning back to the origin of animals.

China Sends Stem‑Cell‑Derived Embryo Models to Tiangong to Test Early Development in Space

Separated Parental Nuclei in Zygotes Compete to Protect Development

Simulated Microgravity Disorients Sperm, Reduces Fertilization, Alters Early Embryos

Microgravity Scrambles Sperm Navigation, Lab Study Finds

Simulated Microgravity Disorients Sperm in Lab Tests, Cutting Fertilization Rates

Studies Reveal Fly Embryo Fold Acts as a Mechanical Shock Absorber

Mouse 'External Uterus' Achieves 90% Implantation, Reveals COX-2–AKT Pathway

First Real-Time 3D View Shows Human Embryos Pull and Burrow During Implantation

Real-Time 3D Footage Shows Human Embryo Burrowing Into Uterine Matrix

Ohio Baby Born From 30-Year-Old Frozen Embryo Breaks Viability Record

Ohio Baby Sets Record as Oldest Born From 30-Year-Old Frozen Embryo

Scientists Uncover Genetic ‘Dimmer Switch’ That Tunes Embryonic Gene Expression

Harvard Scientist Indicted for Smuggling Frog Embryos and False Statements

Harvard Scientist Out on Bail in Frog Embryo Smuggling Case

Judge Grants Bail to Harvard Researcher in Immigration Case; She Remains Detained on Smuggling Charge