Science fiction suggests that life on other planets, if it exists, is likely far more advanced than life on Earth. A recent ...

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If ancient alien explorers ever traipsed through Earth's cosmic neighborhood, could it be possible they left behind some interstellar litter on the moon?

Add Yahoo as a preferred source to see more of our stories on Google. According to the study, "Belief in extraterrestrial life is on the rise, with nearly two-thirds of Americans now convinced that ...

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn't frightening ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

Have you ever wondered what you would do if a) aliens were real and b) they decided to pay us a visit? How would we and our fellow Alabamians fare during an invasion? World UFO Day is July 2, so ...

The Moon has no oceans, weather or active plate tectonics to move things around. That means material arriving on its surface can remain there for millions or even billions of years. A plan to search ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly. A new study focusing on Enceladus, a moon ...