Professor Thomas Hertog discusses working alongside the late physicist on the ultimate theory.
Several of the late physicist's scientific papers and possessions are to be sold at auction next week.
The late physicist's last book, which was published today, attempts to answer the biggest questions of them all.
The words of the much missed astrophysicist will be beamed towards the nearest black hole on Friday.
Organizers of Stephen Hawking's memorial service have seemingly left the door open to visitors from the future.
Stephen Hawking's final theory of the cosmos was completed shortly before he passed away in March.
One of the greatest scientific minds of our age, Hawking passed away in the early hours of this morning.
Upon first being diagnosed with motor neurone disease at 21, Hawking was given a mere 2 years to live.
The world-famous physicist hopes that his doctorate will encourage people to 'look up at the stars'.
In an interview on his 75th birthday, Professor Stephen Hawking warned of the dangers of global warming.
Stephen Hawking is hoping to send a space probe to a potentially habitable world around Alpha Centauri.
Professor Stephen Hawking is making a documentary about humanity's need to colonize other worlds.
The celebrated physicist has described journeying in to outer space as his 'ultimate ambition'.
The world-famous physicist has suggested that a 'world government' could stop technology wiping us out.
Professor Stephen Hawking has teamed up with NASA to design and develop an interstellar nano-starship.
The world-famous physicist believes that contacting intelligent extraterrestrials is probably a bad idea.
An American woman has been arrested for sending a series of death threats to the world-famous physicist.
Stephen Hawking's theory of energy being emitted by a black hole may finally earn him a Nobel Prize.
Stephen Hawking has suggested that a single black hole could power the whole world's electricity supply.
Professor Stephen Hawking has warned that we could face annihilation if we do not colonize other worlds.