There's no other experience on Earth quite like witnessing the northern lights. Also known as the aurora borealis, this spellbinding phenomenon – when brilliant hues of green, yellow, red and purple ...

As new sea passages open up, the commercial and defence possibilities are becoming irresistible. To take advantage, America desperately needs ships ...

The sudden disappearance of a Cessna plane with 10 people on board during a flight in Nome, Alaska, has raised scrutiny on ...