sciencehabit writes "Take a deep breath—Earth is not going to die as soon as scientists believed. Two new modeling studies find that the gradually brightening sun won't vaporize our planet's water for at least another 1 billion to 1.5 billion years—hundreds of millions of years later than a slightly older model had forecast. The findings won't change your retirement plans but could imply that habitable, Earth-like alien worlds are more common than scientists thought."
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