The bipaternal pups died soon after birth, but mice with two mothers grew into fertile adults.

A survey of 11 species confirms that mothers prefer to keep their offspring to one side of their bodies, but that their offspring tend to approach them from the opposite side.

Zebra finches sing a special song that appears to help their offspring better adapt to a hotter climate, according to a study.

Parents of children with the fatal genetic disease Niemann-Pick Type C are taking an active role in research to understand how mutations associated with the disease may protect against Ebola.

Older fathers may have children with higher risk of psychiatric disorders, according to a study.

The US regulatory agency will meet next week to discuss whether to allow human trials of a technique that combines the genetic information of three adults.

New moms’ brains show a stronger response to infant body odor than do the brains of women who aren’t mothers.

Women living in the 17th to 19th centuries had a slightly lower life expectancy if they gave birth to multiple sons, rather than to daughters.

Mouse mothers emit ultrasound vocalizations and odor cues to stimulate otherwise uninterested fathers to provide parental care to their pups.