A massive extraterrestrial craft slamming into the Pacific and triggering a United States Navy response sounds like a ...

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In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

North Korean leader Kim Jong Un has praised his troops fighting abroad as forging an "invincible alliance" with Russia in a ...

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Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

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The sci-fi book series about a cranky Everyman who ends up in the galaxy's deadliest reality game show has sold 6 million ...

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Alien invasion stories are among the earliest science fiction in the Western canon—they not only explore the strange and unknown but also heighten the stakes by bringing danger inside human ...