Stephen Hawking's final book offers brief answers to big questions

Stephen Hawking's final work, which tackles issues from the existence of God to the potential for time travel, was launched on Monday by his children.

Stephen Hawking's final theory about the big bang

The theory, which was submitted for publication before Hawking's death earlier this year, is based on string theory and predicts the universe is finite and far simpler than many current theories about the big bang say.

How Virgin Galactic's new spaceship honors Stephen Hawking

Virgin Spaceship Unity, set to begin test flights next month, includes a very special nod to the theoretical physicist.

Why sailing to the stars has suddenly become a realistic goal

It takes a bold person to declare that interstellar travel is now within our grasp. Physicist Stephen Hawking has shown that he is just that, taking part in the Breakthrough Starshot initiative.

The black hole death problem

Black holes are not as black as we once thought. They are theorized to die a slow death by evaporation, emitting energy known as Hawking radiation. But the mechanism for evaporation is not well understood. Then again, no one has ever even directly detected a black hole.

Stephen Hawking reckons he's cracked the black hole paradox

Last August, Stephen Hawking tantalised the world by saying he'd worked out a solution to the “black hole paradox”. He's now dropped the first detailed discussion of his hypothesis for the world to pore over, here at ArXiv in a paper entitled Soft hair on black holes.

Robot panic peaked in 2015 - so where will AI go next?

Experts have warned about the havoc robots could cause humanity. How do we ensure machines are friends rather than foes?