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Stepping up search for alien lifeforms on far off worlds

A new issue of the Space Colonization Journal is out. NASA administrator Charles Bolden touts deep space exploration: We can only survive if we are a multi-planet species. Meet Jane Poynter and Taber MacCallum, the couple who could be the first humans to travel to Mars. A look at how genetic research can help people colonize other planets. How many people does it take to colonize another star system? Sarah Fecht investigates. Will we eventually be able to colonize other stars? Nick Beckstead on a preliminary review. Some argue that with billions of stars in our galaxy, there must be other civilizations — but others say intelligence is so rare on Earth; why would we expect to find it elsewhere? Stepping up search for alien lifeforms on far off worlds: The Search for Extraterrestrial Intelligence (SETI) program recently announced two new methods to search for signals that could come from life on other planets. Arecibo observatory picks up mysterious radio burst from beyond the Milky Way. To find aliens, we should look for industrial, polluted wastelands. We'll find alien life in this lifetime, scientists tell Congress. Seth Shostak on how our politicians are keeping us from finding alien life: It wouldn't cost that much to launch a good space exploration program. Mark Strauss on how scientific error delayed the search for alien life. David Waltham on how we’ll never meet the real ET because of climate change. From WSJ, alien abductees over the Moon to find a close-encounter group: Those who believe they've met ET share stories, quiche. How would Christianity deal with extraterrestrial life? Mark Strauss wonders. Joshua Rothman interviews Douglas Vakoch, the man who speaks for Earth.