Astronomy Picture of the Day Shows Comet NEOWISE Over Adriatic Sea

NASA’s Astronomy Picture of the Day (APOD) released its September 13, 2026 entry, continuing the long‑standing tradition of showcasing a new image or photograph of the universe each day. The daily feature is accompanied by a concise explanation authored by a professional astronomer, offering readers insight into the scientific significance of the selected visual.

The APOD website now includes an expanded archive with searchable indexes, calendar navigation, RSS feeds, and dedicated sections for education and discussion, allowing users to explore past images, submit content, and engage with the community. By providing accessible, expert‑written commentary alongside striking cosmic imagery, APOD remains a widely used resource for both casual observers and educators seeking to discover and learn about the cosmos.