Access to space is growing, with more than 70 nations now operating space programmes. We urgently need to update international rules, says chair of the UAE Space Agency Sarah Al Amiri
The number of people on the planet has hit a huge milestone at 8 billion, but fertility rates are falling fast in many countries, which means planning for an older population
Artificial intelligence has turned its power on deciphering the complex structures of proteins, the substances behind many vital processes in cells. It is a great boost for biology and, ultimately, wider society