Jack Casey was approached by New Jersey fishermen to "do something on sharks." What he did changed shark science forever.

Microplastics are accumulating in sharks’ gonads and GI tracts, disrupting reproduction and threatening population recovery.

He goes on to caution, "Typically, in most of the exploited shark ... that male shortfin mako sharks are indeed ranging across the Atlantic and spreading their genes widely. "Female mako sharks ...

The largest white male ... adult shark weighing in at 1,653 pounds and spanning almost 14 feet long. The average great white shark for males is around 12 to 13 feet and the average female is ...

By observing the interactions between male and female sharks, scientists aim to gain a deeper understanding of how shark clans are formed and maintained, particularly regarding the Queen Boss Theory.

Photograph by Christian Ziegler By banding together in coalitions—meaning groups of two or more animals, but usually three to ...

For decades it had been a mystery how female Bonobos, cousins to humans, claim higher positions than males in their troop ...

It's quite common to have a male and a female version of the same name - which means that paying attention to spelling and pronunciation is important. For example Emmanuel is a male name ...

Expounds the Rav: ’The answer - to the double periods, in the case of the birth being of a girl - can be found in the nature of the original creation of woman ‘Initially male and female were ...

A new study shows female bonobos team up to fend off males in the wild. Scientists have long wondered why bonobos live in ...

Does smoking affect reproductive health? Quitting smoking can improve fertility in both men and women. Ahead, find out how it affects reproductive health and why quitting smoking is a must if you ...