The president on Thursday ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...
How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...
More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.
Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.
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