We just caught the first direct evidence of a star eating a planet. When main sequence stars (which includes the Sun) hit old age, they expand, and planets get consumed.
Yes, this will happen to Earth, but in about 5 billion years...by then we'll long since be extinct, have evolved into something else, or transcended into a star spanning civilization. Or all three.
We've known about it, but there's a really cool artist's impression here.
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