Fossil Evidence Pushes Back Origin of Live Birth by 90 Million Years
Paleontologists studying a 236-million-year-old cynodont fossil from Argentina say they have found the earliest evidence yet of viviparity…
Common e-cigarette flavorant may disrupt normal embryo development
Vanillin, a common flavoring chemical in e-cigarettes, may disrupt the normal development of embryos in pregnant women who…
Cooperative sperm may improve fertilization success across diverse arthropods
Fertilization is often imagined as a frantic race, with millions of sperm competing for a single prize. But…
Modern IVF treatment boosts live births while lowering twin pregnancies
Modern IVF treatment can now achieve substantially higher success rates than historical approaches while dramatically reducing twin and…
Adaptor proteins regulate macrophage behavior to control cancer growth
A new review was published in Volume 13 of Oncoscience on May 22, 2026, titled “Adaptor proteins regulating tumor-associated macrophage polarization…
Could IVF affect heart health after pregnancy?
Researchers found that women with a prior IVF-conceived pregnancy showed higher large artery stiffness up to five years…
Study links geography to significant differences in sperm quality
A new nationwide study has found substantial regional differences in sperm quality, with men in the highest-performing region…
Uterine aging may reduce donor egg pregnancy success after 49
A major new study suggests that age-related changes in the uterus may contribute to poorer pregnancy outcomes, with…
Researchers advance fertility options for childhood cancer survivors
Researchers at Karolinska Institutet have demonstrated that it is possible to create early germ cells from preserved testicular…
Scientists map how cellular senescence and stemness interact in disease
A new review was published in Volume 18 of Aging on May 30, 2026, titled “The love and hate relationship between…
Life stages according to traditional Chinese medicine and when you hit your physical peak
For anyone feeling the pressure to have it all figured out by 25, take a breath. According to…
Earth’s Earliest Animals May Have Thrived Too Easily to Evolve
Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest…