When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

LOS ANGELES — A Southern California immigrant rights group has asked Target stores to stop selling an “illegal alien” Halloween costume it says is offensive to immigrants. The costume, posted on ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter. When you purchase through links on ...

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A mysterious metal shard captured the imagination of the American public, because it was supposedly from a 1947 UFO that crashed on Earth. The sample seemed to have an unprecedented material structure ...