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Are We Alone

Are We Alone In The Universe? 13 Theories

Wait But Why | Posted 06.17.2014 | Science
Wait But Why

Scientists estimate that there are over 100,000 intelligent alien civilizations in our galaxy alone -- but we've never heard anything from any of them. Here are 13 possible explanations for why.

Lee Speigel

Astronaut Leroy Chiao Opens Up About His 2005 UFO Sighting

HuffingtonPost.com | Lee Speigel | Posted 03.02.2014 | Weird News

In 2005, astronaut Leroy Chiao was commander of the International Space Station for six and a half months. During a spacewalk with cosmonaut Salizhan ...

ETs Exist, Renowned Scientists Say

Lee Speigel | Posted 03.19.2013 | Weird News

The Milky Way galaxy is so big, that there's no doubt, statistically speaking, that ETs exist. That's what several prominent scientists say on the ...

Lee Speigel

Could We Survive An Alien Invasion From Outer Space?

HuffingtonPost.com | Lee Speigel | Posted 02.26.2013 | Weird News

An alien invasion is headed our way. While it's the stuff of sci-fi books, movies, TV series and hi-tech video games, what if Earth suddenly faced a r...

Messages From Humanity to the Cosmos

Mario Livio | Posted 11.12.2012 | Science
Mario Livio

A couple of weeks ago the Arecibo Observatory in Puerto Rico sent a special radio signal to outer space. The idea of communicating with other cosmic beings has long fascinated humans. This was not the first time we have tried to "converse" with our presumed galactic neighbors.

Are We Alone?

Nick Sagan | Posted 05.12.2012 | Science
Nick Sagan

With so many places for life to exist, we may be closer to finding E.T. than ever before. Imagine what we'd glean from that encounter. How much more we'll come to know -- not only about life in the cosmos but also about ourselves.

WATCH: Morgan Freeman Talks Hostile Aliens On 'Through The Wormhole'

The Huffington Post | David Freeman | Posted 03.06.2012 | Science

Are we alone in the universe? That simple but deeply provocative question about the existence of extraterrestrial life lies at the heart of a new epis...