It's crazy to think people once believed the earth was flat. One step too far and you'd be sent tumbling into the depths of ...

The world is a mind-boggling place.With so many places to visit and things to discover, it’s no wonder that the world always has a way to surprise you just with simple, scientific facts.Turns ...

Australia’s military will rely more on autonomous systems to overcome the disadvantage of having to protecting vast geography, said defense officials who predicted “friction in the system ...