A high-altitude desert plateau traverses Argentina, Bolivia and Chile. I am on the Chilean side, sitting in a Jeep along with two other researchers. The afternoon air is thin and brisk but the sun is piercing – a combination I am familiar with from years of living and travelling in South America’s »»»

Science in the modern era is increasingly reliant on enormous datasets and automated analysis. In astronomy, the Vera C. Rubin Observatory’s Legacy Survey of Space and Time (LSST) – a ten-year survey covering the entire southern sky almost a thousand times over the next decade – will test the limit»»»

Pithoragarh: Nepal has decided to lift its ban on higher-denomination Indian currency notes of Rs 200 and Rs 500, bringing relief to traders, tourists and border residents on both sides of the India–Nepal frontier. The restriction on Indian notes above Rs 100 was imposed in Aug 2023.Nepali media re»»»