Extraterrestrials quiz: Are you an alien expert, or has your brain been abducted?

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Try this aliens quiz and see how much you know about our interstellar neighbors — if there are any.

A radio telescope with imaginary blue lines coming from it
Are you an expert on all things extraterrestrial, or should you just stick to sci-fi aliens? (Image credit: honglouwawa / Getty Images)

Is there anybody out there? Are we really alone in the universe, or are aliens just patiently waiting for us to become advanced enough to be worth speaking to?

There are so many mysteries about who or what might live among the stars, and whether they are advanced planet-hopping civilizations or microbes quietly doing what microbes do on a nearby moon. But some questions are easier to answer.

More science quizzes

—Moon landing quiz: How quickly can you name all 12 Apollo astronauts that walked on the moon?

—Conspiracy theory quiz: Test your knowledge of unfounded beliefs, from flat Earth to lizard people

—Black hole quiz: How supermassive is your knowledge of the universe?

Alexander McNamara
Alexander McNamara
Editor-in-Chief, Live Science

Alexander McNamara is the Editor-in-Chief at Live Science, and has more than 15 years’ experience in publishing at digital titles. In 2024 he was shortlisted for Editor of the Year at the Association of British Science Writers awards for his work at Live Science. He has previously worked at New Scientist and BBC Science Focus.

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