Purpose boosts health and happiness, yet 91 percent of us feel anxious chasing it. What if we've misunderstood purpose entirely?

"BepiColombo's main mission phase may only start two years from now, but all six of its flybys of Mercury have given us invaluable new information about the little-explored planet." ...

A supermarket in the Russian-held city of Donetsk has been hit in a Ukrainian attack using US-supplied missiles, a Moscow-backed official says. Submit your questions for our correspondents in the box ...

New images of the planet Mercury taken by a robotic spacecraft have just been released — and they show the scorched world in ...