Mammal-like milk provisioning and parental care discovered in jumping spider Date: November 29, 2018 Source: Chinese Academy of Sciences Headquarters Summary: Researchers report milk provisioning ...

Fossils found in Nova Scotia belong to mammal ancestors that died 309 million years ago with the adult protectively cradling a juvenile with its tail. Parental care of offspring after birth, also ...

Long before humans walked the planet, a massive creature ruled the forests and open plains of ancient Eurasia.

While larger mammals can have larger babies, the dinosaurs faced the physical limitations of laying eggs. This meant that even enormous dinosaurs, weighing up to 150 tons, had tiny offspring.

Without physical evidence of association between an adult and juveniles, the way animals like Kayentatherium reproduced would have remained obscured by a 185-million-year gap in time.

Extra-pair matings allow pair-living animals to gain these indirect genetic benefits for their offspring while still taking advantage of the direct benefits provided by the social partner, such as ...

Why do marsupials give birth to underdeveloped offspring? Placental mammals are born with their four limbs and skulls already well developed, which grow in size as the animal gets older.

Diictodon used burrows to breed and a male parent may have stayed behind to feed it. Fossil evidence suggests Diictodon used burrows to breed, and that a parent stayed behind to feed and protect ...

Scientists have discovered that jewel wasps can slow down their biological rate of aging. Their study of jewel wasps, known ...

Extra-pair matings allow pair-living animals to gain these indirect genetic benefits for their offspring while still taking advantage of the direct benefits provided by the social partner, such as ...