Windows XP was the most blissful iteration of Microsoft's ubiquitous operating system. That's an objective, empirical, ...

Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...