Officials at Maine's most popular state beach posted signs last week that warn visitors the terrain beneath their feet could give way and land them in natural pockets of sticky sediment. The signs at ...

Hear the stories of people who survived falling into quicksand. Massive fraud allegations in California: What we know Hundreds of tourists stranded on remote island as troops are pulled from conflict ...

The curious minds at What If explore what happens if we built a tunnel between continents, revealing engineering, geology, and human impact.