Reuters - Lost chemical canisters and some suspect handrails will prevent astronauts on the International Space Station from doing any spacewalking in the near future, a NASA manager said on Wednesday.

AP - NASA fired three microsatellites into space Wednesday to study the Earth's magnetic fields, a week after an earlier launch was scrubbed.

AP - Mississippi State University has received a $9.6 million federal grant to help NASA develop a more accessible Earth science research database.

Reuters - A radar-equipped NASA plane is flying low over the Arctic this week to measure the snow on top of sea ice, a finding with implications for polar bears and possibly humans, an ice scientist said on Monday.

SPACE.com / LiveScience.com - NASA is considering dropping the Space Shuttle Main Engine (SSME) from its heavy-lift launch vehicle plans and using the cheaper-to-manufacture RS-68 engine instead.

Matthew Borghese - AHN Staff Writer Cape Canaveral, Florida (AHN) - NASA is halting shuttle launch preparation at the Kennedy Space Center (KSC) after a series of recent accidents. KSC Director Jim Kennedy stopped work on NASA's three-orbiter shuttle fleet and International Space Station...

AP - One of the six wheels on the Mars rover Spirit has stopped working and the solar-powered robot must propel itself up a slope to catch enough sunshine to keep operating, NASA said Friday.

AP - One of the six wheels on the Mars rover Spirit has stopped working and the solar-powered robot must propel itself up a slope to catch enough sunshine to keep operating, NASA said Friday.

AP - To scientists scanning the cosmos for signs of life, the stunning discovery of what appears to be water on an obscure moon orbiting Saturn couldn't come at a more pivotal time.

AP - Physicists announced Thursday that they now have the smoking gun that shows the universe went through extremely rapid expansion in the moments after the big bang, growing from the size of a marble to a volume larger than all of observable space in less than a trillion-trillionth of a second.

AFP - Scientists investigating the origin of the universe have found new evidence deep inside the earliest light that supports the idea of a rapid cosmic inflation before the "Big Bang" expansion.

AP - In an unusual move, NASA is reviewing a recent decision by an agency head to scrap a mission to orbit two asteroids. The Dawn project was canceled on March 2, five months after it was put on hold because of cost overruns and technical problems.

AP - Physicists announced Thursday that they now have the smoking gun that shows the universe went through extremely rapid expansion in the moments after the big bang, growing from the size of a marble to a volume larger than all of observable space in less than a trillion-trillionth of a second.

Reuters - A NASA space probe has peered back in time to a bare instant -- less than a trillionth of a trillionth of a second -- after the Big Bang, astronomers reported on Thursday.

SPACE.com / LiveScience.com - HOUSTON, Texas - NASA is taking another look at the decision to cancel the Dawn mission that would explore two large asteroids in the solar system.

SPACE.com / LiveScience.com - In response to what he called "unacceptable" cuts to science programs in NASA's fiscal year 2007 budget, Republican Congressman John Culberson of Texas has taken up the cause of U.S. scientists and engineers outraged by the proposed reductions.

AP - In an unusual move, NASA is reviewing a recent decision by an agency head to scrap a mission to orbit two asteroids.

AP - NASA aborted the launch of a trio of microsatellites on Wednesday just moments before they were to be fired into space aboard a rocket.