Male bonobos can decipher females' unreliable fertility signals, allowing them to focus their efforts on matings with the ...

New research challenges the 'bigger is better' mentality, revealing that increased male body size and fat mass are linked to declining reproductive health and fertility. Studies show higher body fat ...

The male reproductive system refers to the bodily systems responsible for sexual function in males. It consists of external and internal structures responsible for the formation, storage, and ...

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The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which was first discovered in patients with severe pneumonia at the end of 2019, has since infected over 272 million worldwide and ...

In this clip, the beta male Nobita carefully looks at the sexual swelling of the female Sala while they forage for fungi on the forest floor. Male bonobos take this task seriously—watching and ...