The largest survey of our universe ever conducted suggests that it closely matches the model most favored by cosmologists. It ...

Ukrainian troops have launched an attack against a Russian border region with six US long-range missiles, Moscow has said. It ...

The US president-elect says he will pull the country out of international treaties and partnerships. That need not lead to ...

As the world enters an era of growing conflict and geopolitical rivalry, airlines and travellers will face ever more ...