For more than 1,000 years, ancient people built terraces, dams, pyramids and mounds in central Mexico. One of these sites is called Monte Albán, and it was carved from the mountain outside Oaxaca.

TOKYO (AP) — In a country that ranks poorly internationally for gender equality, the new president of Japan’s long-governing Liberal Democrats, and likely next prime minister, is an ultra-conservative ...

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 ...

HighSchoolOT is naming a male and female athlete of the week from all six of North Carolina's area codes in the 2025-26 school year. HighSchoolOT is naming athletes of the week for each area code ...

A Virginia school district is punishing two male students for expressing discomfort with the presence of a biological female in the boys’ locker room. Earlier this year, Loudoun County Public Schools ...

We’ve all heard the phrase, “a fish out of water,” but these fish take it literally. As you can see in this YouTube video, splash tetras lay their eggs on a leaf overhanging the water. Only 1% of the ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. The naked chest of a female mannequin brought ...

The beautiful male cardinal bird in this hilarious YouTube clip is very interested in a female and is not being subtle about it! The obvious way he is checking her out may seem amusing to us, but it ...

Pennsylvania Democrat state senator Lindsey Williams gave controversial testimony at the state capitol on Wednesday while opposing a bill that would ban trans athletes from girls sports. Williams, in ...

In one of Robert F. Kennedy Jr.’s first moves as secretary of the US Department of Health and Human Services, the agency released guidance Wednesday for the US government, external partners and the ...