Headlines
Astronauts' Eyesight Damaged by Flight
Why are veterans with 20/20 vision unable to focus?
First Meteor Shower of 2012 Dazzles
Quadrantid meteors best before dawn Wednesday.
Pictures of Youngest Planet Yet Seen
First-ever images of planet in the making
Destination Jupiter: NASA Launches Juno
NASA probe launches to solar system's largest planet.
The Sky is Falling! Biggest Meteor Shower of Year
Perseids happen annually in mid-August.
Videos
Watch: Comet Seen From Space Station
Astronaut Dan Burbank captures stunning view of Comet Lovejoy from orbit.
Watch: NASA Discovers Two Earth-Sized Planets
Kepler space telescope finds two new planets orbiting a Sun-like star.
Watch: Are We Alone in the Universe?
NASA launches Kepler probe to search for other life-supporting planets.
Watch: Apollo 11: First Moonwalk Remembered
ABC's Ned Potter on NASA's historic trip to the moon.
Slideshows
Photos: Black Hole Shreds Star
Astronomers see telltale signs of star's gases being pulled away from it.
Photos: Space Shuttle Arrives in NY
The only shuttle to never fly in space to become a museum exhibit in New York.
Photos: One Last Look Inside Space Shuttle
Retired orbiter is being prepped for display at the Kennedy Space Center.
