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Vote! Where Would You Land on Mars?
Choose your favorite Martian landing spot from 10 attractive locales! Más »|

Jupiter's Moons to 'Disappear'
It's rare to spot Jupiter when none of its 'Galilean' moons are visible. Más »|

Brrr! Mars Colder Than Expected
A peek under the Martian north pole reveals a thick ice cap. Más »|

Space Station Crew Welcomes New Cargo Ship
Space station astronauts welcomed a new Russian cargo ship Friday. Más »|

SpaceX Targets Late June for Next Rocket Launch Attempt
SpaceX hopes the third time's a charm for its Falcon 1 rocket. Más »|

Jupiter's Moon Scarred by Wandering Poles
A shift in Europa's polar locations leaves surface scars. Más »|

BLOG: NASA Envisions Giant Space Telescopes Launched by Ares V Rockets
Más »|

Bizarre Star Gets Stranger
Scientists have spotted a wacky pulsar that doesn't behave like its fellows. Más »|

NASA Faces Rocket Test Delays for New Spaceship
NASA is expecting delays for the first tests of its shuttle successor. Más »|

New View: Universe Suddenly Twice as Bright
Our universe would be twice as bright without dust. Más »|

Space Rocks Could Reseed Life on Earth
Asteroid impacts could help spread life throughout the universe. Más »|

Bumpy Road to Mars, Part 1
Phoenix Lander arrives on Mars May 25, taking after a long and rocky road. Más »|

How NASA's Phoenix Will Land on Mars
NASA's Phoenix Mars Lander prepares for a harrowing descent to the surface. Más »|

New Idea Could Solve Black Hole Information Mystery
Physicists announced today a way to explain how information could escape from a black hole. Más »|

Youngest Exploding Star Discovered
Astronomers have discovered remains of the most recent stellar explosion in our galaxy. Más »|