WASHINGTON, Dec. 2 (UPI) -- The U.S. space agency says it has, most likely -- after a month of fruitless attempts -- reached the end of communications with its Phoenix Mars Lander.
AUSTIN, Texas, Nov. 20 (UPI) -- U.S. scientists said Thursday they discovered vast water glaciers under blankets of rocky debris on Mars, suggesting possible life beyond Earth.
PASADENA, Calif., Oct. 28 (UPI) -- The U.S. space agency says its Mars Reconnaissance Orbiter has found evidence that liquid water remained on Mars far longer than previously theorized.
FLAGSTAFF, Ariz., Sept. 29 (UPI) -- The U.S. space agency's Mars Reconnaissance Orbiter has captured images of hundreds of small rock fractures on Mars' surface.
WASHINGTON, Sept. 16 (UPI) -- The U.S. space agency plans a Mars robotic mission to study that planet's climate history and potential habitability in greater detail than ever before.
PASADENA, Calif., Aug. 14 (UPI) -- The U.S. space agency says its Phoenix Mars Lander has used an atomic force microscope to take the first-ever image of a single particle of Mars' dust.
WASHINGTON, Aug. 14 (UPI) -- U.S. scientists say they are preparing for the day when they can study materials returned to Earth from Mars or other planetary bodies.
TUCSON, July 31 (UPI) -- Scientists confirmed Thursday that water, considered an essential building block of life, does indeed exist on the planet Mars.
PASADENA, Calif., July 16 (UPI) -- Mars once was home to lakes, rivers and other wet environments that possibly supported life, a study based on the U.S. space program's Mars venture shows.
BERKELEY, Calif., June 30 (UPI) -- U.S.-led geoscientists say a Martian soil data analysis suggests there was once enough water in that planet's atmosphere for a light drizzle or dew to fall.
PASADENA, Calif., June 26 (UPI) -- U.S. scientists say data from two satellites suggests Mars once suffered a gigantic impact, creating the planet's distinctly different hemispheres.
PASADENA, Calif., June 10 (UPI) -- The U.S. space agency says the Phoenix Mars Lander will use its robotic arm to sprinkle Martian soil on a rotating wheel so as to better view it.
PASADENA, Calif., May 16 (UPI) -- New data from the U.S. space agency's Mars Reconnaissance Orbiter suggest the crust and upper mantle of Mars is stiffer and colder than thought.
PASADENA, Calif., May 13 (UPI) -- The U.S. space agency says its Phoenix Lander is preparing to land on Mars and begin a three-month mission to examine the planet's soil and buried ice.
PASADENA, Calif., April 10 (UPI) -- NASA engineers in California set the Phoenix Mars Lander on a course toward the Red Planet's north polar region with a flight adjustment Thursday.
