If the world exploded, what proportion of the rocks floating in space would have evidence of life? (continued) ...

Fossils from China's Chengjiang beds reveal that early vertebrate ancestors, jawless fish called myllokunmingids, possessed ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

Researchers Discovered An “Alien Plant” In A 47-Million-Year-Old Fossil. They Say It’s Unlike Any Plant Alive Today. Watch the moment this plane hits a bridge just after takeoff ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

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Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

JJ ...