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Â鶹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Jonathan O’Callaghan

Contributor

Bio

is a freelance science journalist based in London. He specialises in stories on astronomy, astrophysics and space exploration, and was awarded the by the American Geophysical Union in 2021.

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More from Jonathan O’Callaghan

Explore the latest news, articles and features

Artist's impression of a gas giant planet and its moon

Space

We may have seen signs of an exomoon spewing out volcanic gas

News

We just found dozens of missing galaxies from the early universe

Space

We just found dozens of missing galaxies from the early universe

News

False colour image of the South Pole-Aitken Basin

Space

Huge asteroid that hit the moon may be preserved below the surface

News

Europa

Space

A simple experiment could help find alien life on Europa

News

Pluto

Space

It will be 'snowing' nitrogen on Pluto for the next century

News

Asteroids hitting Mars could have made hot rain fall for decades

Space

Asteroids hitting Mars could have made hot rain fall for decades

News

Signal of first known exomoon may actually be from Jupiter-like planet

Space

Signal of first known exomoon may actually be from Jupiter-like planet

News

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