A team of British scientists say the Earth will continue to be habitable for at least another 1.75 billion years, according to a report by The Guardian.
Researchers at the University of East Anglia expect progressive increases in the sun's temperature to eventually push the Earth out of a habitable zone known as the "Goldilocks region".
The term refers to the narrow band of space surrounding a star, where the temperature is neither too hot, nor too cold for liquid water to flow, but just right.
The increases in the sun's heat, caused by the star's natural life cycle, are expected to cause the Earth's oceans to evaporate and the planet to be too hot to sustain life.
"It will get progressively hotter and there's nothing we can do about it," said Andrew Rushby, who studies planet habitability at the university, according to The Guardian.
The time frame provided by the scientists, however, does appear to leave humanity with enough time to respond to the Earth's inevitable doom. According to their calculations, the planet will fall out of the habitable zone in roughly 1.75 to 3.25 billion years.
"If we are still around, and the optimist in me likes to think we would be, I hope we'd be away from the Earth, perhaps on Mars, or spread out in a huge galactic family across the Milky Way," said Rushby.
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