Is time travel possible? And if so, what would it look like? Image credit: Wikimedia Commons user Kjordand.

Is time travel possible, according to science?

Forwards? Absolutely. Backwards? Perhaps. Becoming your own grandpa? Only if you’re Philip J. Fry…

“One of the great things about music is that it has the capability of time travel — you smell a certain smell in the room and it takes you back to your childhood. I feel like music is able to do that, and it happens to me

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Ethan Siegel

Ethan Siegel

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The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.