Researchers are trying a new strategy to reintroduce Hawaiian crows, which have been extinct in the wild for two decades.

Transgender minors and their parents, guardians and doctors have challenged bans in 18 states, with mixed results.

The ruling could set a precedent for several challenges to state laws regarding sports participation, bathroom use and health care for adults.

Assessing the court’s ultimate direction was complicated by the silence of one justice in the conservative majority, Neil M. Gorsuch, the author of a key case on employment discrimination. The court’s...

The state is one of at least a dozen states to set restrictions on bathrooms for transgender students at public schools.

President-elect Donald J. Trump has promised to “keep men out of women’s sports” and withhold Medicare and Medicaid funding from hospitals that provide gender transition treatment to minors.