Scientists confirm meteorites contain all five DNA bases, indicating life's building blocks may have formed in space. Discover what this means for the origins of life.
Francesca Albanese, Special Rapporteur on the situation of human rights in the Palestinian territories . (Salvatore Di Nolfi/Keystone via AP) ...
For more than 60 years, scientists have been scanning the skies for signs of intelligent life beyond Earth. Using powerful telescopes, they have searched for unusual radio signals, brief laser flashes ...
Plus: Stephen Colbert doubles down amid CBS turmoil ...
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