Claims that the world's biggest military powers are secretly hoarding alien technology have surged back into the spotlight.

Forecasters warn an extreme winter storm could trigger rare “exploding trees” across the Upper Midwest as temperatures plunge ...

There are growing fears Russia could try to invade another country as global tensions soar to alarming levels.

Across the world, winter’s sudden freezes trigger sharp, gunshot-like cracks in trees, known as frost cracking. While ...

Thousands march in Greenland wearing 'Make America Go Away' hats, rejecting Trump's purchase demands and tariff threats ...