Italian astronaut Luca Parmitano - he's the bald one - could have choked, or worse, when water poured into his helmet during Tuesday's spacewalk outside the space station. It was a truly tense moment, but he's OK.
This image provided by NASA shows an image captured by NASA’s Solar Dynamics Observatory of a blast of plasma streaming from the sun in August 2012. Scientists say a solar eruption was detected on March 5, 2013 and was headed toward Mars. NASA’s Curiosity rover will postpone some activities …
This handout image provided by NASA, taken Sept. 28, 2012, is a mosaic of images taken by the telephoto right-eye camera of the Mast Camera before the rover arrived at Rocknest. Mars Curiosity is about to sip its initial taste of the red planet's sand. But first, NASA's rover has to play bar…
Members of the U.S. Navy ceremonial guard hold an American flag over the remains of Apollo 11 astronaut Neil Armstrong during a burial at sea service aboard the USS Philippine Sea (CG 58), Friday, Sept. 14, 2012, in the Atlantic Ocean. Armstrong, who died last month in Ohio at age 82, walked…
Even NASA's Mars rover Curiosity gets in on the selfie action these days. In this image released by NASA on Aug. 8, 2012, a self portrait of NASA's Curiosity rover was taken by its navigation cameras, located on the upright mast. The camera snapped pictures 360-degrees around the rover.
This handout image provided by NASA shows a solar flare heading toward Earth.
This undated artist rendering shows the twin Grail spacecraft
mapping the moon's gravity field.
In this image provided by NASA Thursday June 16, 2011 the crater
Degas was obtained as a high-resolution targeted observation (90
m/pixel). The image shows the impact melt coating the floor of the
crater, and as the melt cooled and shrank, it formed the cracks
observed across the crater acco…
This image provided by NASA Dwarfed by space shuttle Discovery,
NASA astronauts Rick Mastracchio (right) and Clayton Anderson are
seen working in Discovery's aft payload bay during the mission's
third and final session of extravehicular activity Tuesday April
13, 2010 as construction and mai…
In this image provided by NASA, astronaut Nicholas Patrick
participates in extravehicular activity as construction and
maintenance continue on the International Space Station. During the
spacewalk, Patrick and fellow astronaut Robert Behnken removed
insulation blankets and launch restraint b…
FILE - This May 23, 2011 photo made by Expedition 27 crew member
Paolo Nespoli from the Soyuz TMA-20 following its undocking and
released by NASA shows the International Space Station and the
docked space shuttle Endeavour, left, at an altitude of
approximately 220 miles. A Soyuz capsule had…
FILE - In this Monday, May 18, 2009 image made from video
provided by NASA, astronaut John Grunsfeld is reflected on the
surface of the Hubble Space Telescope as he works to upgrade the
orbiting observatory during a spacewalk on the fifth and final
repair mission for the then 19-year-old telescope.
FILE - In this Dec. 11, 2006 photo provided by NASA, the space
shuttle Discovery, its KU-band antenna at right, approaches the
International Space Station.
FILE - In this Sept. 12, 2002 file picture, astronaut Eileen
Collins, commander for the space shuttle Discovery mission
scheduled for May 2005 launch, is briefed by crew trainer Ken
Trujillo during a training session in the Space Vehicle Mockup
Facility at Johnson Space Center in Houston.
FILE - This Saturday, May 28, 2011 photo provided by NASA shows
the Endeavour with a nighttime view of the Earth and a starry sky,
while docked at the International Space Station during the
Endeavour's final mission.
In this May 13, 1992 picture made available by NASA, astronauts
Richard Hieb, Thomas Akers and Pierre Thuot grab the Intelsat VI
satellite from the ledges of the payload bay of the space shutle
Endeavour in the first three-man spacewalk. The satellite had been
stuck at a uselessly low orbit …
FILE - In this Saturday, Oct. 31, 1998 image made from video
provided by NASA, U.S. Sen. John Glenn, right, speaks to mission
control during an experiment, assisted by astronaut Scott
Parazynski, left, as Spanish astronaut Pedro Duque eats from a food
packet aboard the space shuttle Discovery.
FILE - This July 1992 file picture provided by NASA shows the
Tethered Satellite System during an experiment on the space shuttle
Atlantis. On Sunday, Feb. 25, 1996, the Italian satellite, which
was attached to the space shuttle Columbia, floated off into space
after its cable broke.
FILE - In this Friday, July 23, 1999 picture provided by NASA,
flaming exhaust thrusts from the solid rocket boosters and main
engines of the space shuttle Columbia as it launches from the
Kennedy Space Center in Cape Canaveral, Fla. into the night
FILE - This Monday, Nov. 25, 2002 file picture shows the space
shuttle Endeavour over New Zealand as it approaches the
International Space Station for docking.
FILE - In this Monday, June 8, 1998 image made from video
provided by NASA, Russian space station Mir cosmonauts Nikolai
Budarin, top right, and Talgat Musabayev say goodbye to the crew of
the space shuttle Discovery as they close the hatch linking the two
spacecraft before undocking. Discov…
FILE - In this Jan. 28, 1986 file photo, the space shuttle
Challenger lifts off Pad 39B at Kennedy Space Center, Florida. A
whole generation _ including McAuliffe's own students _ has grown
up since McAuliffe and six other astronauts perished on live TV on
Jan. 28, 1986, a quarter century ag…
Spirit has been unresponsive on the Martian surface for more than a year, so NASA on Wednesday ended its efforts to regain contact.
This file photo, taken Jan. 28, 2004, shows NASA's rover Spirit after it landed on Mars. The solar-powered rover became bogged down in a sand trap in April 2009 and has not been able to wiggle free, causing communication problems.
This image of the asteroid Eros taken by NASA's Near Earth Asteroid Rendezvous (NEAR) spacecraft shortly after orbital insertion on Feb. 14, 2000, shows a view from one end of the asteroid across the gouge on its underside and toward the opposite end.