Apparently, light travels faster than sound. Apologies to Galileo Galilei, but the Italian clearly never went to Portugal.

Not because the amount of gold (and other heavy elements) is causing any type of problem (the opposite, in fact) but because based on what they know of how gold is created, there shouldn’t be so much ...

But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

FUJAIRAH, United Arab Emirates — The humble road rumble strip, used around the world to alert drifting drivers to potential ...