A woman with advanced dementia appeared to regain speech and independence after psilocybin. The findings are intriguing, but far from proof.

Federal protections promise a fair trial in a language you understand, but for millions who speak lesser-known languages, courts can’t keep that promise.

El Niño can trigger intense periods of extreme ocean warming known as marine heat waves that can devastate marine life.

Efforts to protect land and environmental resources, including fighting climate change, often end up displacing people who have lived in those places for generations.