Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend.
Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.
A soldier stands guard by a charred vehicle after it was set on fire in Cointzio, Michoacán state, Mexico, Sunday, Feb. 22, ...
More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.
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