Can humans survive without the sun? Apparently, they can, in fact, they already did. The idea of living completely underground seems like a compelling Hollywood narrative, but for others, subterranean ...

From old shelters to large underground networks, these cities still surprise and interest travellers and historians.

TEL AVIV, Israel (AP) — When sirens and cellphone alerts blare warnings of missiles incoming from Iran, people in Israel stream into shelters, turning parking garages, metro stations and basements ...

During the 1960s, many Americans prepared for a possible nuclear strike by stocking fallout shelters with some of these canned provisions.