Russia's telecommunications watchdog Roskomnadzor has threatened to completely block WhatsApp in the country following previous restrictions on the messaging service. If WhatsApp does not meet the requirements of Russian legislation, it will be blocked, the state news agency TASS quoted Roskomnadzor as saying in a statement on Friday.

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven abruptly stopped communicating to ground stations over the weekend. NASA said this week that it was working fine before it went behind the red planet.

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