Switzerland is the happiest country in the world, closely followed by Iceland, Denmark, Norway and Canada, according to a global ranking of happiness unveiled in New York on Thursday.
As rapid global urbanization continues to rise, cities around the world are looking to more and more radical ways to solve issues such as social inequality and climate change in modern urban spaces.
Flying through the haze over the pyramids of Giza, an experimental solar-powered airplane arrived on Wednesday in Egypt as part of its globe-circling voyage.
The Solar Impulse 2 left southern Spain on Monday on its way to Egypt for the penultimate leg of the solar-powered airplane's landmark round-the-world journey.
The United Arab Emirates on Monday laid out a strategic framework for a newly created space agency that aims to integrate various arms of the Gulf federation's burgeoning space industry.
An experimental, solar-powered aircraft took off from Tulsa in the midwestern US state of Oklahoma early Saturday, kicking off the latest phase of its record-breaking quest to circle the globe without consuming a drop of ...
Changes to the Earth's oceans, caused by extreme volcanic activity, triggered the greatest extinction of all time, a study suggests.
A solar-powered airplane on a mission to fly around the world landed in California, completing a risky, three-day flight across a great expanse of the Pacific Ocean.
Seven New Yorkers were arrested and charged with promoting male prostitution on Tuesday through an "Internet brothel" offering sex to paid-subscribers across the world, prosecutors said.
French Foreign Minister Laurent Fabius, who will chair December's UN-led climate talks in Paris, on Sunday urged countries which have yet to publish greenhouse gas emissions data to do so as soon as possible.