News tagged with alien life

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Try failed stars for alien life

The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and ...

Mar 31, 2011 3.8 / 5 (5) 1 | with audio podcast

Probing Question: What is a Near Earth?

In the 1997 movie "Contact" (based on the novel by Carl Sagan), actress Jodie Foster plays an astrophysicist devoted to SETI -- the Search for Extra-Terrestrial Intelligence. Despite doubting colleagues, she ...

Sep 27, 2010 3.6 / 5 (10) 2

Where in the World is Europa?

Before they can be sent out to explore planets or moons, rovers first need to be tested in the field. While there is no perfect analog for Jupiter’s icy moon Europa, there are various spots on Earth and ...

Aug 19, 2010 5 / 5 (4) 0

Mars was Wet, but was it Warm?

Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of ...

May 31, 2010 4.9 / 5 (11) 10 | with audio podcast

The Eerie Silence

Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.

Apr 15, 2010 4.8 / 5 (36) 71 | with audio podcast