Astronomers scrutinize exoplanet that survived the death of its star

In about 5 billion years, our sun will begin its death throes by ​expanding in size and engulfing the innermost planets — possibly including Earth — before expelling its outer layers and forming a stellar remnant called a white dwarf. But the outer ‌planets may carry on even after such trauma.

Researchers now have made detailed observations of a Jupiter-like exoplanet, as planets beyond our solar system are known, that has lived on for billions of years after the death of its sun-like star...