Why do cats generally live longer than dogs? New research suggests that longer lifespans of mammals like cats could be linked to their bigger brains and more complex immune systems.

Activation of sperm surface protein . Research on mice revealed that a particular protein, found in all mammals called ...

Sperm swim faster in high temperature environments; aging ovaries slowly lose egg support. Both affect fertility differently.

In mammals - including us humans - sperm are surprisingly picky about temperature, thriving best in conditions a few degrees ...

WashU Medicine researcher Polina Lishko, a BJC Investigator and professor of cell biology and physiology, has shown in mice ...

Whales, dolphins, and other marine mammals are washing up dead along the California coastline. A team from the National ...

This is where Nucentix VMAX, also known as the NTX Nutrition Male Performance System, steps in. It's part of a new generation of wellness supplements designed to restore men's physical energy, ...

Unlike placental mammals that develop their young internally until they reach relative maturity, kangaroos give birth to extremely underdeveloped offspring that continue their development externally ...

Their reproductive behaviors ... creating a polygynous mating system. In mountain gorillas, approximately 40% of groups contain multiple adult males, while western lowland gorilla groups more commonly ...

A study published in Marine Mammal Science has projected ... such as when female mortality is combined with lost reproductive opportunities due to adult male mortality, or when the epidemic ...

titled "How adaptive solutions from marine mammal life history could address pressing problems in reproductive biomedicine," published in Fertility and Sterility Reports. For example, marine ...