What happens when a forest loses its birdsong? Following clues hidden in the sounds birds make while asleep, Argentinian physicist Gabriel Mindlin uncovers a hidden extinction – not of species, but of ...

French photographer Jean-Pierre Laffont spent two decades capturing demos, clashes and countercultural gatherings in America. ‘They dreamed of living in a better world,’ he says ...

Exports could reach 3.5m metric tons a month, deputy PM says, after collapsing amid Ukrainian attacks on Russian refineries. What we know on day 1,693 ...

The IMF, which publishes its World Economic Outlook twice a year, has predicted GDP growth of 1.3% for the UK this year – up 0.3 percentage points from its most recent update in July.

When populations fall, fledglings can struggle to learn the right notes to attract mates. But research on how birds communicate offers hope for species’ survival ...

About 2,000 criminals are being freed this month to ease overcrowding, while probation union moves towards strike ...

Security forces use helicopters to rescue dozens of people as the two storms damage infrastructure and cause flash flooding ...

Though Democrats have a strong edge heading into the midterms, some races have openings for Republicans ...

Asian markets fall and Samsung shares tumble after its Chinese rival CXMT claims strong progress ...

After an MP said she should be ‘shamed and stoned’, federal minister hit back at ‘racist and misogynistic’ language ...

Pioneering computer scientist on why Trump is using ‘superintelligence’ wrong, whether AI could wipe out humanity – and how our biggest challenge will be accepting we’re not the only intelligent being ...

Aaron Sorkin’s attempt to return to the success of The Social Network is a strangely dated and incomplete look at a world that needs a sharper eye ...