https://www.smithsonianmag.com/rss/tag/san-francisco/RSS feed for San FranciscoenFri, 14 Aug 2026 13:00:00 +0000https://www.smithsonianmag.com/science-nature/marine-biologists-solved-a-wildlife-mystery-from-the-walkway-of-the-golden-gate-bridge-how-the-harbor-porpoise-mates-180989163/The dolphin-like marine mammals returned to San Francisco Bay in 2008 after a decades-long absence from the area. Scientists took the rare opportunity to closely observe their behavior, and what they uncovered might help at-risk porpoise populationsFri, 14 Aug 2026 13:00:00 +0000https://www.smithsonianmag.com/science-nature/marine-biologists-solved-a-wildlife-mystery-from-the-walkway-of-the-golden-gate-bridge-how-the-harbor-porpoise-mates-180989163/