This year, astronauts will likely complete construction of Tiangong, China’s answer to the International Space Station. It’s the next step in China’s progress toward becoming a major space power. It also looks like a bet that the US lacks the planning and willpower to replace its much bigger outpost in orbit. A “space-station gap” that erodes America’s traditional leadership is ...

  Giving up on a dream is hard. When it’s built on billions of dollars, it’s even harder. The tech world was locked in a debate last week about the potential for Web3, a decentralised version of the internet underpinned by digital currency that proponents would like to see replace the current, corporate-dominated Web2. Rarely will you see geeks argue ...

  By all appearances, the standoff over Ukraine remains dangerous. Although Russia continues to deny that it plans an attack, President Vladimir Putin has massed troops, hardware, weapons stockpiles and medical units on Ukraine’s borders, and continues to add to their number. The US is sending 2,700 troops to bolster Nato’s eastern flank, with at least 8,500 more ready to ...