APOD: 2026 September 1 – A Plane Lunar Eclipse

APOD Science APOD APOD: 2026 September 1 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by […]

Anthropic details security efforts following Claude cyber evaluation incidents, including a weeks-long pause on higher-risk RL and work to curb reward hacking (Anthropic)

Anthropic: Anthropic details security efforts following Claude cyber evaluation incidents, including a weeks-long pause on higher-risk RL and work to curb reward hacking  —  On July 30, we reported three incidents in which Claude models gained unauthorized access to real computer systems.