Countries are eager to use AI to automate some government processes, but this risks eroding citizens’ trust and feelings of democratic control – because AI mistakes can ruin their lives

The IceCube neutrino detector has allowed researchers to resolve a debate about what types of particles make up ultra-high-energy cosmic rays – but much remains unknown about these rare events

A drop in shipping emissions has caused a surge in warming at the Great Barrier Reef, fuelling calls for drastic actions such as marine cloud brightening to lower the risk of coral bleaching

Models suggest that meeting climate targets will be virtually impossible without steep emissions cuts paired with a huge expansion of carbon management technologies

Urban trees lining streets fare better in dry spells than those in parks – now it seems that leaky water pipes are the reason for their endurance

Mice experienced far fewer hay fever symptoms when a pollen-blocking antibody was applied within their nose