Times Talk: Some of the biggest mysteries of the universe explained

What are the chances that aliens are real? And if they are, what do they look like, where are they and how come they never visit? And if they were to visit, how would they even do it?

Is time travel to the past and to the future possible? It turns out it is – at least one way.

And what is the likelihood that there are other worlds like ours out there? The short answer is: very likely. The long answer is even more interesting.

In a wide-ranging 90-minute discussion on Times Talk, astrophysicist professor Joseph Caruana breaks down the staggering reality of our existence – from the probability of humanity living in a computer simulation to the probability of time travel.

During the episode the 39-year-old Oxford-educated researcher and University of Malta lecturer explains why most of the universe is still a mystery and how scientists have managed to trace back its beginning 14 billion years ago. And along the way he answers a myriad of other questions.

When will the world end? Will the universe end? What happens to us after we die? And how is human consciousness the way the universe finally knows about itself?

And from all that he knows about the universe, does it look like there is a God? Does the universe need a creator to keep it going? Did it even need a creator?

And is it possible that we are all living in a computer simulation? Short answer is: quite possibly.

Watch the full 90-minute Times Talk episode to find out.

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