* Astronomy

The biggest known star in the cosmos is in its death throes and will eventually explode, astronomers said on Wednesday.
Using a telescope at the European Southern Observatory in Chile, the astronomers said they had spotted telltale signs in a star called W26.
Located about 16,000 light years away in the constellation of Ara, or The Altar, the star has a diameter 3,000 times that of the Sun.
W26, first observed in 1998, is a "red supergiant", a term for a star that is as big as it is short-lived.
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