The Railway Board has reduced the time limit for advance booking of trains from 120 days to 60 days wit the new time limit set to take effect from November 1. A senior official of the Southern ...

A new proof about prime numbers illuminates the subtle relationship between addition and multiplication — and raises hopes for progress on the famous abc conjecture. One morning last November, the ...

Now that the excitement of Ukraine’s incursion into Kursk two months ago has faded, the prevailing narrative has reasserted its grip. Ukrainian forces are retreating in the face of steady, if ...