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"Landing the Curiosity rover on Mars is the most difficult and nail-biting part of the whole mission. See just how hard it is to land on Mars in this 60-second video."

""From January 2009 to January 2012, there had been a gradual increase of about 25 percent in the amount of galactic cosmic rays Voyager was encountering," said Stone. "More recently, we have seen very rapid escalation in that part of the energy spectrum. Beginning on May 7, the cosmic ray hits have increased five percent in a week and nine percent in a month.""

"At the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, space shuttle Endeavour is mounted atop NASA's Shuttle Carrier Aircraft, or SCA, in preparation for its ferry flight to California. The SCA, a modified 747 jetliner, will fly Endeavour to Los Angeles where it will be placed on public display at the California Science Center. This is the final ferry flight scheduled in the Space Shuttle Program era."

"anniversary of Neil Armstrong's walk on the moon, and apparently it is celebrated as Moon Day (that was news to me). Here are some previously-posted "The Best…" lists that are related to the moon"

"To celebrate Moon Day, catch up on the latest in lunar exploration and space travel. The ideas worth sharing here are the first steps in the next giant leap for mankind."

"You can be a Moon explorer too. Practice by building your own Moon habitat. Pretend you are an astronaut working with your team mates on the Moon to build your new home. Materials you will need to build one Moon habitat: 148 sheets of newspaper (use a paper with large pages-tabloid size is too small-and use the full square spread)"

Free Webcast -- The Air We Breathe The Aerospace Education Services Project, or AESP, is presenting a free webcast on Saturday, Dec. 11, 2010, at 10 a.m. EST. Join Aerospace Education Specialist Lester Morales during this hour-long webcast as he features NASA's education resource book "The Air We Breathe." This book is designed to help students enrich their science vocabulary, better understand Earth's atmosphere and practice the scientific process. The book is a great vocabulary builder for English language learners.

This film documents the first historic flight of a space shuttle, the U.S. spacecraft Columbia, which launched on April 12, 1981. The footage highlights liftoff, the onboard activities of astronauts John Young and Robert Crippen, as well as the landing in Rogers Dry Lake bed in California. -

What happened from 1998 until 2010. Watch the pieces come together as they are sent up from Earth. The International Space Station (ISS) Assembly diagram, piece by piece.

The first four test missions of the Space Transportation System (STS) - flights STS-1, 2, 3, and 4 - are covered.

Robotics program examines the expanding role of robotics in the exploration of space. Students will engage in activities before and after the videoconference, initially constructing simple machines, and then progressing to more complex devices. During the videoconference, participants learn about NASA's most advanced robotic systems.

study aerodynamics at your own pace and to your own level of interest. Some of the topics included are: Newton's basic equations of motion; the motion of a free falling object, that neglects the effects of aerodynamics; the terminal velocity of a falling object subject to both weight and air resistance; the three forces (lift, drag, and weight) that act on a glider; and finally, the four forces that act on a powered airplane.

40 years ago, three human beings - with the help of many thousands of others - left our planet on a successful journey to our Moon, setting foot on another world for the first time. Tomorrow marks the 40th anniversary of the July 16, 1969 launch of Apollo 11, with astronauts Neil A. Armstrong, Michael Collins and Edwin E. "Buzz" Aldrin Jr. aboard. The entire trip lasted only 8 days, the time spent on the surface was less than one day, the entire time spent walking on the moon, a mere 2 1/2 hours - but they were surely historic hours. "

To learn more about World Space Week, search for events in your area and find educational materials related to the event

This is really time lapse photography as the journey to the launch pad takes 5-7 hours and it is sped up to only a few minutes.

July 20, 1969, astronaut Neil Armstrong became the first man to walk on the moon.

On Sept. 3, 1976, the unmanned U.S. spacecraft Viking 2 landed on Mars to take the first close-up, color photographs of the planet's surface.

"About GRAIL MoonKAM GRAIL MoonKAM (Moon Knowledge Acquired by Middle school students) is GRAIL's signature education and public outreach program. It is led by Dr. Sally Ride, America's first woman in space, and her team at Sally Ride Science in collaboration with undergraduate students at the University of California San Diego. "

"NASA's Solar Dynamics Observatory, which is carrying a suite of instruments including a $32 million University of Colorado Boulder package, has provided scientists with new information that energy from some solar flares is stronger and lasts longer than previously thought. See Also: Space & Time * Solar Flare * Sun * Northern Lights Earth & Climate * Geomagnetic Storms * Atmosphere * Energy and the Environment Reference * Solar flare * Solar radiation * Corona * Geomagnetic storm Using SDO's Extreme ultraviolet Variability Experiment, or EVE instrument designed and built at CU-Boulder, scientists have observed that radiation from solar flares sometimes continues for up to five hours beyond the initial minutes of the main phase of a solar flare occurrence."