Comet's collapsing cliffs and bouncing boulders

Scientists analyzing the treasure trove of images taken by ESA's Rosetta mission have turned up more evidence for curious bouncing boulders and dramatic cliff collapses.

Prosperity is about more than money. But what else should count?

More than two decades ago, Professor Andrew Oswald worked at the London School of Economics, UK, when he organised what he says was the world's first conference on the economics of happiness. He put up posters, invited speakers, ...

Climate protection and clean air: An integrated approach

From 23 to 25 September 2019, heads of government from around the world will convene at the United Nations General Assembly to discuss efforts to advance climate action and global sustainable development. The summit aims ...