Discovery Begins Journey Back to Earth
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The space shuttle Discovery crew bid farewell to the International Space Station Tuesday as the shuttle undocked and began its journey back to Earth.  The hatches between the two spacecraft were closed at 2:42 p.m. EST, prior to the 5:10 p.m.
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NASA's Voyager 1 spacecraft has entered a new realm of space, and it's beaming back some surprises.
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The US space shuttle Discovery headed for the International Space Station after a spectacular nighttime liftoff from Florida which NASA described as its most technically challenging.
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Despite weather concerns and a small chunk of ice that threatened to delay the beginning of the shuttle Discoveryâs mission, everything seemed to fall into place.
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Two Discovery astronauts stepped out into space for the first of three spacewalks, to install a new metal structure to the International Space Station, NASA said.
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The first Malaysian astronaut in space returns safely to Earth from the International Space Station.
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The space shuttle  Discovery soared into space on Saturday on a column of fire  that briefly dispelled the darkness over the Kennedy Space  Center in NASA's first night launch since the Columbia  disaster.
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By MIKE SCHNEIDER, THE ASSOCIATED PRESS  CAPE CANAVERAL, Fla.  Flashes of flame from space shuttle Discovery lit up the darkened sky Saturday as the spacecraft blazed off the launch pad for the first nighttime liftoff in four years.
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Two astronauts begin the first spacewalk of the latest shuttle mission to the International Space Station.
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A team of explorers reached the South Pole on Wednesday after becoming the first adventurers to retrace the steps of Norwegian pioneer Roald Amundsen.
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NASA&#39;s space shuttle Discovery moved a step closer toward launch Monday as engineers worked to join the orbiter with the twin rocket boosters and fuel tank that will aid its flight into space next month.
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The first image of our solar system taken from deep space arrives back on terra firma. It's a doozy.
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CAPE CANAVERAL, Florida  - Shuttle Discovery astronauts undocked their craft from the International Space Station on Tuesday and prepared to begin the journey home to Earth.
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While the exploration of the Moon and other planets in our solar system is&nbsp;exciting, the first task for astronauts and robots alike is to actually&nbsp;get to those destinations.
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NASA's adventurous Discovery program--responsible for the first rover on another planet, the first landing on an asteroid, the first samples of a comet returned to Earth and much more--is about to get even better.
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Russian and US crew members begin their return to Earth, leaving two men on the International Space station.
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The shuttle Discovery backed away from the international space station and started a two-day journey home after its crew bade farewell to the residents of the orbiting outpost and left behind U.S. astronaut Suni Williams for a six-month stay.