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The prevailing theory is that the first Americans arrived in a single wave, and all Native American populations today descend from this one group of adventurous founders. But now there’s […]

You could say that the silence has been deafening. Since its beginnings more than half a century ago, the dedicated search for extraterrestrial intelligence (SETI) has failed to detect the […]

Are our sexual desires derived from our genes? Or can we make active choices about who we are sexually attracted to?

Don’t sound the death knell for free will just yet. Despite tantalizing evidence that our brains are doing much more than we’re aware of, free will may still exist. It […]

Chimpanzees have the cognitive ability to cook, according to new research, if only someone would give them ovens.

Public-health officials make plans for how to speed up responses to tropical-disease outbreaks.

The approach uses an enzyme to snip off the parts of blood cells that can prove problematic.

The hunt for life beyond the Solar System is gaining new partners: NASA climatologists. After more than 30 years of studying Earth, a team at the NASA Goddard Institute for […]

In order to weed out Venus-like planets from those that would be more habitable, several scientists, including planetary scientist Stephen Kane of San Francisco State University, proposed the establishment of […]