Only one side of a silver crystal has the right structure to trigger ice formation, revealing how these particles help clouds ...

Last week attempts at cloud seeding to reduce pollution in Delhi failed to produce any rain. We catch up with reporter Chhavi Sachdev to find out more about official’s latest and controversial attempt ...

Delhi air quality will likely slip into the 'very poor' category between November 6 and 8, with stubble burning predicted to ...

Delhi woke up to a hazy Thursday morning with AQI at 278 in the ‘poor’ category. Pollution levels are expected to worsen to ...