Man' lizard — a herpetologist explains how it flashes red and blue in seconds to win mates and settle rival showdowns.

Female praying mantises have a reputation as ruthless killers who decapitate their mates without hesitation, but the reality ...

Femtech pioneer Ida Tin is leading a €40M government challenge to build continuous hormone monitoring—and end the diagnostic ...

Are men ignoring their fertility? Dr. Sneha Mishra explains india.com the hidden risks and symptoms that should not be ...

African gray foam-nest treefrogs (Chiromantis xerampelina) are common across the savannas and dry forests of southeastern Africa. Despite their unremarkable outward appearance, these small animals ...

Key Points ・H.R. 8781 amends the Education Amendments of 1972 to add statutory definitions of "sex," "male," and "female" ...

Male fertility is often linked to the health of the testicles, but scientists have discovered another part of the reproductive system may play an equally important role in determining how long men ...

Mirroring the bipartisan bill introduced in the House, the measure would require a study from the GAO on the state of men’s ...

While the Supreme Court ruling allows states to ban men from women’s sports, this legislation would regulate the entire ...

This child has inherited normal XY chromosomes and the SRY region of the Y chromosome has triggered the gonadal tissue to develop into testes, as is normal.      Male hormones are called androgens, ...