Cheap and savory fast food becomes a culinary craze in the 1950s, but the quest for convenience may be responsible for causing an irreversible health crisis.

Fifteen international agencies spend $62 billion every year on space travel, fueled by a costly -- and dangerous -- drive to explore the universe.

Plastics have transformed the way people live, but this transformation has resulted in 7.8 billion tons of waste -- a steep price to pay for progress.

Oil brings great wealth to the Middle East while igniting many wars; it is both a blessing and a curse for the region as well as the rest of the world.

Humans share the planet with approximately 9 million robots, from self-driving cars to surgical arms.