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Sioux Falls Scientists endorse Is There Life on Mars? for exploring
the possibility of life on Mars. Is it likely, No. Is it possible, Yes.

Is There Life on Mars?
Reports from The Phoenix Lander

Is There Life on Mars? (2009) - 56 minutes
Is There Life on Mars? at Amazon.com

Four years after they landed on Mars, NASA s twin robot explorers, Spirit and Opportunity, have lasted 16 times longer and driven 20 times farther than expected. Today they are joined by an aerial armada of hi-tech satellites, surveying Mars from orbit to reconstruct the planet's mysterious history. And on May 25, 2008, they also got company on the ground: NASA's Phoenix probe. NOVA's Is There Life on Mars? showcases the latest scientific revelations from a planet, once alien, now poised to reveal provocative new clues in the tantalizing quest to plumb its past for signs of water and, perhaps, even life.

4-18-16 Will we know extraterrestrial life when we see it?
Will we know extraterrestrial life when we see it?
Recognizing life on other worlds requires wiggle room in the definition of what it means to be alive. A Martian microbe, envisioned by planetary geologist Kathie Thomas-Keprta, would need a tough outer wall to withstand the elements and magnetic crystals to help it navigate. But recognizing life on different worlds isn’t likely to be this simple, especially if the recipe for life elsewhere doesn’t use familiar ingredients. There may even be things alive on Earth that have been overlooked because they don’t fit standard definitions of life, some scientists suspect. Astrobiologists need some ground rules — with some built-in wiggle room — for when they can confidently declare, “It’s alive!”

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Is There Life on Mars?
Reports from The Phoenix Lander

Sioux Falls Scientists endorse Is There Life on Mars? for exploring
the possibility of life on Mars. Is it likely, No. Is it possible, Yes.