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Astronomers just watched a star 1,540 times the size of our sun transform into a hypergiant. Will it go supernova?

One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't ...

I brushed off a sore throat for days but then my body was ravished by sepsis – I woke up from a coma lucky to survive

WHEN Jennifer Gavin came down with a sore throat, she thought it was nothing more than a winter bug. But just weeks later, ...

A cosmic explosion with the force of a billion Suns went unseen – until we caught its echo

Some of the universe’s most extreme explosions leave behind almost no trace. The original explosion is unseen, but our ...