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

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images) A new genetic study claims alien DNA could be inserted into humans. Dr. Max ...

When we imagine alien life we often picture something radically different from ourselves. But evolution tends to solve similar problems in similar ways, and intelligence may come with predictable ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...