No infectious diseases have been reported amongst other staff (Picture: The Irkutsk Anti-Plague Research)
'This planet was formed from the "ashes" of the dying star.'
A "perfectly preserved" sword dating from the Bronze Age has been discovered in a lake in Italy.
The world's first skyscraper may have existed far earlier than previously thought.
The new Burj Azizi skyscraper will be the second-tallest building in the world.
Three passengers were taken to hospital after the flight made an emergency landing in Porto, Portugal.