Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks are enormous.

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While some Independence Day weekend releases end up being duds, others join a rare list of absolute stone-cold classics.

Ridley Scott's near-perfect sci-fi horror masterpiece is surging on streaming before the franchise's next release.

Georgia's high school elites group together to start Wave A of the Peachtree Road Race.