Why Trump must build a nuclear reactor on the Moon
Sean Duffy, the secretary of transportation whom President Trump appointed last month as temporary leader of NASA, has issued a…
Will the toughest problem in maths ever be solved?
For many, not just mathematicians, the Riemann hypothesis is the very definition of a supremely difficult problem that might be…
Aliens exist? Prove it
At Wright-Patterson Air Force Base in Ohio there is, it is rumoured, a secret underground room where a crashed alien…
The moon matters to China
China’s Chang’e-6 moon mission was launched on 3 May. It reached lunar orbit a few days later and began waiting…
Farewell, Voyager 1
Some time soon we will have to say farewell to our most distant emissary – the Voyager 1 spacecraft. After…
