The search for alien tech

Radio signals is old hat: now it’s all about hunting for extraterrestrial technosignatures. But do we want to be found?

Climate change: Why Australia refuses to give up coal

Australia’s 2030 emissions target is half the US and UK benchmarks. It has resisted joining the two-thirds of countries who have pledged net zero emissions by 2050. And instead of phasing out coal, it’s committed to digging for more.