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Reproductive Biology

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Mouse From China’s Shenzhou-21 Gives Birth After Orbit

The Chinese Academy of Sciences will track the litter for multigenerational effects to guide planning for long-duration human missions.

POC5 Protein Proves Essential for Sperm Tail Assembly in Mouse Study

National Zoo Confirms Elephant Nhi Linh’s Pregnancy, First Expected Calf in Nearly 25 Years

OHSU Creates Fertilizable Egg Cells From Human Skin in Peer-Reviewed Study

COVID-19 Infection in Fathers Alters Sperm and Raises Anxiety in Mouse Offspring

PNAS Study Maps Sperm’s Energy Switch, Pointing to Targets for On-Demand Male Contraception

Scientists Create Fertilisable Human Eggs From Skin-Cell DNA in Lab

Nature Studies Find Holliday Junctions Secure Crossovers and Stabilize the Chromosome Zipper

UK Zoo Reports Rare 'Virgin Birth' as Female Iguana Produces Eight Hatchlings

Study Links THC in Ovarian Follicles to Lower Rate of Normal Embryos in IVF

CFAP91–EFCAB5 Pathway Pinpointed as Driver of Sperm Motility in Mouse Study

Ant Queens Clone Males of Another Species to Build Hybrid Workforces

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

Chinese Tech CEO Claims 2026 'Pregnancy Robot' Prototype as Experts Question Feasibility

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

Mouse Stem Cells Frozen on the ISS for Six Months Yield Healthy Offspring

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

Maternal Biology Tips the Scales on Baby’s Sex, Large Study Finds

UK Scientists Report Eight Healthy Three-Parent IVF Babies