As Los Angeles gears up to host the 2028 Summer Olympics, a bold new vision for transportation is quite literally taking off — electric flying taxis. A cadre of California startups is betting big that ...

Space colonies came extremely close to becoming a reality in the 1970s. However, the plan never reached fruition due to several hurdles.

DEFA was East Germany’s state film studio, operating between 1946 and 1992. Among its vast output were four lavish science ...