A Russian postwoman who delivers mail to villages around Moscow on horseback has become the face of online trading platform AliExpress. She gained two million fans in China after a documentary about her job aired on a Chinese channel. Maria Rubtsova from Moscow relocated to the capital’s suburbs to work for the Russian Post in 2015. Now, the 24-year-old is delivering mail to eight villages in her... 

Starry night: New research estimates that there are some 50 billion planets in the Milky Way. Scientists have estimated the first cosmic census of planets in our galaxy and the numbers are astronomical – at least 50 billion planets in the Milky Way. And some 500 million of those planets are in what is known as the Goldilocks zone, where the climate is thought to be not-too-hot and not-too-cold,...