A Delhi HC has granted a couple access to their dead son's sperm, referencing international judgments. Worldwide, laws on ...

Sperm exhibit an immune response that is common to macrophages and neutrophils, according to Brazilian researchers.

Long known as a messenger within cells, RNA is increasingly seen as life’s molecular communication system—even between ...

While eggs that are purchased at a grocery store in the United States do have to be refrigerated, eggs have a natural defense ...

There is variability in when and how cells divide during the development of embryos. While researchers traditionally believed this variability was an obstacle that needed to be regulated, a group now ...

For the first time, researchers have linked specific frequent defects in sperm to risk of pregnancy complications and ...

Scientists have long wondered why animals get the DNA inside their mitochondria, the cell's energy center, only from their mothers. New research explains why and offers hope for treating mitochondrial ...

The little clump of cells looked almost like a human embryo. Created from stem cells, without eggs, sperm, or a womb, the ...