The hunt for dark energy intensifies as scientists close in on ‘chameleon’ particle

f you’ve ever read anything about cosmology, you’ll have come across an astonishing statistic: all the matter around us, everything we see and touch, every star and gas cloud and planet, makes up just

On 23 July 1999, Space Shuttle Columbia launched its heaviest-ever payload: the Chandra X-ray Observatory, a new flagship telescope for NASA. It is the world’s most powerful X-ray telescope, capable o

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The best discoveries, inventions and surprises

An old-fashioned hardback book often still beats the internet, doesn’t it? When you can get hold of one. Right now, there’s one, in a package with my name on it, stuck somewhere between a second-hand

Trend-setting health tech In a stressful period in 2021, Tom Hale was having trouble sleeping. He bought an Oura Ring, the pioneering smart device that tracks stats about sleep and health, and made a