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Time travel: one of the mysteries of the universe that is still to be unravelled. andrey_l/Shutterstock

Stephen Hawking’s final book suggests time travel may one day be possible – here’s what to make of it

Stephen Hawking’s final book suggests time travel may one day be possible – here’s what to make of it Lwp Kommunikáció/Flickr, CC BY-SA, CC BY-SA Peter Millington, University of Nottingham “If one made a research grant application to work on time travel it would be dismissed immediately,” writes the physicist…

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Nobody knows for sure where black holes lead to. Shutterstock

Curious Kids: Where do black holes lead to?

Curious Kids: Where do black holes lead to? Nobody knows for sure where black holes lead to. Shutterstock Janie Hoormann, The University of Queensland This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer.…

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The existence of wormholes is not forbidden by our current theories of the universe. So we can say that they do exist in theory. Marcella Cheng/The Conversation NY-BD-CC, CC BY-SA

Curious Kids: How do wormholes work?

Curious Kids: How do wormholes work? The existence of wormholes is not forbidden by our current theories of the universe. So we can say that they do exist in theory. Marcella Cheng/The Conversation NY-BD-CC, CC BY-SA Hannah Middleton, University of Melbourne This is an article from Curious Kids, a series…

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Black holes are even stranger than you can imagine

Black holes are even stranger than you can imagine Alister Graham, Swinburne University of Technology Our love of black holes continues to grow as our knowledge of these celestial bodies expands. The latest news is the discovery of a rare “middleweight” black hole, a relative newcomer to the black hole…

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