A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

The cassowary looks like a relic from another geologic era – it’s as tall as a person, has glossy black feathers and piercing ...

The guidance states that it "recognizes there are only two sexes: male and female. HHS will use these definitions and promote policies acknowledging that women are biologically female and men are ...

A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.

Bird flu is here to stay. The H5N1 avian influenza is proliferating among U.S. cows and there are now two strains circulating among mammals and birds. Though there are only 68 confirmed cases in ...

Wisdom, the world’s oldest known wild bird, made headlines recently for laying an egg with a new partner, her first egg in four years. The egg has now hatched, and Wisdom, a Laysan albatross ...

Feb. 11, 2025 — New research reports, for the first time, the widespread occurrence of biofluorescence in birds-of-paradise. The study, based on specimens collected since the 1800s, finds ...

Built in a retro style in the early 1990s, Oriole Park offers an authentic baseball game experience. The park features a well-kept field, abundant restaurants, beer, pretzel and hot dog stands ...

Jackson Bird joined an elite group of bowlers to take 400 Sheffield Shield wickets as he propelled New South Wales to a victory that put them firmly in contention for a place in the final.