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Jonathan O’Callaghan

Jonathan O’Callaghan is a freelance space and science journalist based in the UK that regularly writes and reports for a number of publications around the world. He specializes 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, the BBC, Forbes, Wired, and a variety of other publications. He has also worked on a series of non-fiction children’s books and has made frequent TV and radio appearances as a space expert for the BBC and other organizations.

Hellas Chaos on Mars

Mars Time Machine

Researchers are creating advanced simulations that will provide a deeper understanding of Mars’s climatic history and help to determine whether it was once able to sustain life.