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Mud Volcanoes On MarsMoffett Field CA (SPX) Aug 20, 2010 If life does - or did - exist on Mars, signs of such life might well be found in a region in the northern plains called Acidalia Planitia, according to a new study. The region appears to be dotted with what scientists believe are geological structures known as mud volcanoes, spewing out muddy sediments from underground. These sediments might contain organic materials that could be biosignatures of possible past and present life. "If there was life on Mars, it probably developed in a fluid-ri ... read more |
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Hampton VA (SPX) Aug 19, 2010If ping-pong balls can float a sunken boat, they should be able to keep an uncrewed space capsule simulator from sinking. Right? That's what a team of summer students and engineers think at NASA's Langley Research Center in Hampton, Va. Langley is fabricating a proposed design of an astronaut crew module simulator for uncrewed flight-testing as part of the agency's effort to build a vehicl ... more  
Santa Clara, Calif. (UPI) Aug 16, 2010 The search for extraterrestrial intelligence could yield proof of its existence within 25 years, a U.S. scientist involved in the quest says. Speaking at the SETI Con convention in Santa Clara, Calif., Seth Shostak - senior astronomer at the Search for Extraterrestrial Intelligence Institute in Mountain View, Calif. - said, "I actually think the chances that we'll find ET are pretty g ... more  
Paris (AFP) Aug 18, 2010If a human ever sets foot on Mars, will it be a giant step or an exhausted shuffle? Long-term space flight so weakens fitness that an astronaut heading to the Red Planet may lose up to half the power in key muscles in the course of the mission, scientists have found. The loss - equivalent to a crew member aged between 30 and 50 returning home with the muscles of an 80-year-old - would ... more |
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Astronauts make third space foray to fix ISS cooling pumpWashington (AFP) Aug 16, 2010 Astronauts from the International Space Station on Monday wrapped up a third and final spacewalk to replace a busted cooling unit on the orbiting outpost, NASA said. Spacewalkers Doug Wheelock and Tracy Caldwell Dyson began installing a replacement ammonia pump module on the ISS at 6:20 am (1020 GMT) Monday and finished at 1:40 pm (1740 GMT) - a seven hour, 20 minute space foray, according to the US space agency. Flight Engineer Shannon Walker assisted the effort from inside the ISS by operatin ... read more |
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