Mumbai, Feb 05: The Samta Nagar Police have booked a 40-year-old Kandivali resident for allegedly raping a female community ...

Instead, environmental cues trigger changes in gene activity, which then change levels of key enzymes and hormones. In particular, one enzyme, called aromatase, is known to change male sex hormones ...

In a series of tea party-like experiments, Johns Hopkins University researchers demonstrate for the first time that apes can ...

Some animal societies are ruled by despots with an iron fist, while others seem naturally egalitarian – and they all have ...

The Centers for Disease Control and Prevention issued a nationwide Health Advisory Jan. 20 to share information about the New World screwworm, or NWS.

Researchers mapped early brain growth from mid-pregnancy to the first month after birth and found signs that sex-linked differences emerge surprisingly early.

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

They sometimes touched their lips together, breathed into one another’s open mouths, or stood on two legs and hugged.

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

A female Asian elephant calf was born Feb. 2 to mother Nhi Linh and father Spike at the Smithsonian’s National Zoo and ...

Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species. Some hybrids occur naturally where habitats overlap, while others result ...

Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength), it is easy for humans to see how these colors are used in animal ...