Jonathan O'Callaghan

Jonathan O'Callaghan

Contributor

Jonathan O’Callaghan is a freelance space and science journalist based in the UK. He specialises in covering commercial spaceflight, space exploration and astrophysics, but also reports across a wide range of science, from CRISPR to climate change. Jonathan’s work has featured in Scientific American, Nature, New Scientist, The New York Times, Quanta, Forbes, Wired, and a variety of other publications. He has also made TV and radio appearances as a space expert for the BBC and other organisations.

Latest articles by Jonathan O'Callaghan

The Fermi Paradox asks where are the aliens?

What is the Fermi Paradox?

By Jonathan O'Callaghan published

Reference The Fermi Paradox describes the contradiction that despite an abundance of planets in our galaxy, we have yet to detect alien life. Are we actually alone in the universe?

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person in faraday cage

What is a Faraday cage?

By Jonathan O'Callaghan published

Reference Faraday cages are protective enclosures that prevent electromagnetic radiation from entering.

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mars dust storm

7 solar system worlds where the weather is crazy

By Jonathan O'Callaghan, Daisy Dobrijevic, How It Works magazine published

What's the weather like on other worlds? Expect methane rain, global haboobs and a 10,000-mile-wide hurricane.

Astronomy