This great blue-green ball.
We live on it, and it sustains us: The Earth. It's impressive and inspiring - and not without threats.
In 60 years of space exploration, we've placed almost 7,000 satellites in orbit. Less than a third still function. The rest is dangerous junk - and their number is growing. Here's how we might mitigate the threat.
No turning back. Britain finally triggers Brexit process to leave the European Union+++Turks in Germany start voting in a referendum to give president Edorgan more powers, but will social media offer the much help needed to boost the No campaign?+++Also in the show, we will get to know why Norway has being ranked the happiest place on earth.
Norway is officially the happiest place on earth. That's according to the UN's annual happiness index which was just published. The country bumped fellow Scandinavians, the Danes, off the top spot from last year, although it was a close race. So what is it that makes Norway such a happy place to live? Inside Europe's own Norwegian, Lars Bevanger, tries to explain in this postcard.