'They are opposite seasons. You don’t see the north and the south (poles) both melting at the same time,' says a scientist as two regions both experience freakish extreme heat

Famed explorer's vessel became ensnared in sea ice for over 10 months before being crushed and sinking; miraculously, all the crew survived

IDF's visual intelligence unit formed a team of experts that interpreted aerial images of the Pacific and pinpointed the area where the C-130 Hercules vanished with 38 on board

C-130 Hercules carried 17 crew members and 21 passengers, including three civilians, and lost contact half way to its destination

Environmental groups caution of dangers of such project, dubbing it a potential 'Chernobyl on ice' and a 'nuclear Titanic'; explosion at test site raises further concerns