Space Image: The Italian Boot

(Phys.org)—This oblique, night time panorama of much of Europe was photographed by one of the Expedition 32 crew members aboard the International Space Station flying approximately 240 miles above the Mediterranean Sea ...

WiggleZ survey confirms the big picture of the Universe

(Phys.org) -- We know that stars group together to form galaxies, galaxies clump to make clusters and clusters gather to create structures known as superclusters. At what scale though, if at all, does this Russian doll-like ...

Probing gravity

(Phys.org) -- Einstein's theory of relativity is remarkable not only because it is so successful in explaining seemingly bizarre observations (like the bending of starlight) or because it has assembled a coherent picture ...

US spy master courts top hackers at Def Con

US spy master Keith Alexander on Friday courted hackers at an infamous Def Con gathering rife with software tricksters wary of police and ferociously protective of privacy.

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