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The spacewalk that saved Hubble

Hubble celebrates its 25th anniversary this month. However, the Nasa space telescope that has transformed our view of the Universe was launched with a major defect. Richard Hollingham talks to the man who had to don his spacesuit and make it work.<p>Story Musgrave had worked on the development of the …

Coreia do Norte diz que pode disparar míssil nuclear a qualquer momento | Home Notícias | Reuters

LONDRES (Reuters) - A Coreia do Norte tem a capacidade de disparar uma arma nuclear e usaria um míssil nuclear em retaliação se for atacada, disse o embaixador do país na Grã-Bretanha à Sky News nesta sexta-feira.<p>“Não são os Estados Unidos que têm um monopólio sobre ataques com armas nucleares”, …

Rússia diz que Ucrânia está alucinando com alertas de riscos nucleares | Home Notícias | Reuters

VIENA, 5 Mar (Reuters) - A Rússia acusou a Ucrânia nesta quarta-feira de estar “alucinando”, depois que Kiev advertiu para riscos à segurança de suas usinas nucleares no caso de uma invasão russa, durante uma reunião da agência atômica da ONU, segundo diplomatas.<p>Manifestantes pró-Rússia participam …

The Masters of Nature Photography book – in pictures

Wild horses of the Netherlands, red-crowned cranes dancing in the snow, the plight of a tortured chimpanzee and a polar panorama feature in the collection of wildlife images in the book published by the Natural History Museum<p>• Masters of Nature Photography by Rosamund Kidmane Cox - Guardian Bookshop