This nuclear blast went off in 1946 at Bikini Atoll in Micronesia. How did some of the radiation get back to the United States? Why, we imported it, of course!

Need a four-minute vacation? Sit back and enjoy this beautiful aerial footage of one of America's most photogenic metropolitan areas.

Photographer Troy Paiva photographed San Francisco's Presidio Pet Cemetery during construction on the Presidio Parkway, which meant the tiny graveyard was covered by a dark temporary roof. Paiva used the unnatural surroundings, lighting tricks, and the San Francisco fog to cast an extra-gloomy pall on this final…

It wasn't nearly as dramatic as the fireball that exploded over Russia yesterday, but last night the San Francisco Bay Area saw its own light show last night when a meteor streaked across the night sky.

San Francisco feels its fair share of tremors, but it's been well over a century since the city experienced anything as dramatic as the destruction of the 1906 earthquake. Photographer Shawn Clover has blended scenes from the 1906 devastation with modern photos of the intact city.

If you're in San Francisco today, you might want to boogie on down to Dolores Park at 3pm for the Dance Party Robot's Robot Dance Party. If you're not in the area, you can still enjoy this video of the Dance Party Robot encouraging others to swing their hips like no robot's watching.

The film Blade Runner had Harrison Ford replicant hunting though the dystopian streets of a futuristic Los Angeles. But Philip K. Dick's original novella Do Androids Dream of Electric Sheep? was set in the San Francisco Bay Area. So how would Blade Runner have looked if Ridley Scott had used San Francisco as his chief…

125 thousand years ago, San Francisco was an island. And soon it will be one again, thanks to rising sea levels. Excellent San Francisco blog Burrito Justice has just posted their latest masterpiece — a science fiction story (with infographics!) about city planning squabbles in the 2070s, when San Francisco has become …

Here are some snapshots from a dark chapter in American history. Throughout the 19th century, San Francisco's growing Chinese immigrant population had to contend with codified prejudice from legislation like the 1882 Chinese Exclusion Act, segregated communities, and the sentiment that Chinese-Americans were the source …

The original 1956 plan for the Bay Area Rapid Transit system was way more complex on paper than it is in reality. Designer Jake Coolidge has imagined a universe in which this full plan was implemented. And even though it doesn't involve filling in the Bay or underground rocket trains or pyramids, it does complement…