This week, the creators behind the simulation, or God, or whatever you want to call it, have blessed us with a rare freshwater crab that's both male and female. Hallelujah!

The Thai man allegedly entered the enclosure while a keeper was away and no other visitors were around, the zoo’s director ...

Emperor cichlids, large fish native to Lake Tanganyika in Africa, don't like being stared at, especially if someone's gaze is directed at their offspring. Those are the findings of a new study ...

Stories about male dogs being chaotic goofballs and female dogs being calmer have floated around forever. What is new is actual data backing pieces of that idea. A 2025 Dog Aging Project survey looked ...

NBC was forced to issue an apology after accidentally referring to Swedish athlete Elis Lundholm with the wrong pronouns during its coverage of the Winter Olympics. The 23-year-old skier, who was born ...

The top authorities of U.S. cancer statistics will soon have to classify the sex of patients strictly as male, female, or unknown, a change scientists and advocates say will harm the health of ...

Not only is this species new to science, but this remarkable individual is the first record of a rare biological phenomenon (bilateral gynandromorphism) in this previously unknown species. One of the ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. A new study by the Max ...

Elise Huchard receives funding from CNRS and the French Agence Nationale pour la Recherche (ANR). Nikos Smit does not work for, consult, own shares in or receive funding from any company or ...

The Minnesota Vikings' new male cheerleaders joined two of their female colleagues in a social media video that was filmed in a bathroom. The video, which was originally uploaded to TikTok by Vikings ...

There are key differences in how men and women respond to stress and process emotions and events through the nervous system. Amelia Chapman of Mind Body Amore says it’s not a one-size-fits-all ...