Modern Engineering Marvels on MSN

First alien signal may be a civilization’s final cry

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...
Morning Overview on MSN

Is the first alien signal a civilization’s last message?

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

First Contact With an Alien Civilization Could Be 'Loud'. Here's Why.

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...
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FIRST CIVILIZATIONS

In this four-part series, explore the seedbed civilizations of Mesoamerica, the Middle East and the Indus Valley to learn how and why early humans, who had been mobile foragers, created villages, ...