Astronomers probe origin of Planet 9

Astronomers at the University of Sheffield have shown that 'Planet 9' – an unseen planet on the edge of our solar system – probably formed closer to home than previously thought.

Scientists observe largest solar flare in 12 years

The sun's largest solar flare in more than 12 years – and the eighth largest since modern records began in 1996 – has been captured in high detail by a team of researchers from the University of Sheffield and Queen's ...

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