Science

NASA assigns astronauts to SpaceX, Boeing test flights


Birds learn another 'language' by eavesdropping on neighbors


Mars making closest approach to Earth in 15 years


Years of work ahead to study chemical pollution at NASA site


Astronomers spy nearby star that could be chomping a planet


Jupiter's moon count reaches 79, including tiny 'oddball'


Report: NASA needs backup plan as US crew launches slip


NASA's Kepler Telescope almost out of fuel, forced to nap


Mars rover still silent as red planet dust storm goes global


White House aims to reduce satellite clutter in space


NASA's record-breaking spacewoman retires as astronaut


Rescued seahorse released into the wild in Florida


Many animals are shifting from day to night to avoid people


Spacewalking astronauts set up TVs for arriving ships


New Mars discoveries advance case for possible life


The heat is back on high: May smashes US temperature records


Unhurried hurricanes: Study says tropical cyclones slowing


Dunes on Pluto made of tiny frozen grains of methane


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