The Vikings: Valhalla star and former rugby union player, 29, is Dunk in the new Westeros TV tale, A Knight of the Seven ...

Its influence can be seen in storytelling, character dynamics and even the optimism that defines much of modern sci-fi. Star ...

This episode of The Next Generation puts the spotlight on Geordi La Forge, and is widely considered one of the best character ...

From Borg battles to impossible moral choices, these are the 'Star Trek' episodes that define the hit sci-fi franchise.