Amount of moisture present in the air relative to the maximum amount of moisture the air can contain at its current temperature. Pressure is the weight of the air in the atmosphere. It is ...

TEHRAN, Tehran Province — Iran’s capital and outlying provinces have faced rolling power blackouts for weeks in October and November, with electricity cuts disrupting people’s lives and ...

Iran announced Tuesday that all governmental offices, universities, and schools in the province of Tehran will be closed for two days because of poor air quality, state TV reported.

A new report presented by the National Council of Resistance of Iran claims Tehran has expanded attempts to secretly develop ...

Schools and public buildings in the Iranian capital will remain closed for a third day on Tuesday, state television reported, ...

TEHRAN: A bus collided with a fuel truck in Iran's southeast on Monday killing at least nine people, state media reported.

Iranian President Masoud Pezeshkian is set to visit Moscow on Jan. 17 and sign a cooperation agreement with Russian President ...

Although Iran has one of the biggest supplies of natural gas and crude oil in the world, it finds itself in a full blown ...

Iran announced the closure of offices and schools in many provinces across the country on Sunday due to a cold snap and ...

TEHRAN, Iran — Iran announced Tuesday that all governmental offices, universities, and schools in the province of Tehran will be closed for two days because of poor air quality, state TV reported.