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"Mars was once a much wetter world than it is now, with hot springs, rivers, lakes and perhaps even oceans. Just how wet exactly, and for how long, is still a subject of considerable debate. One vital clue comes from clay mineral deposits and sediments left over after the water disappeared, but still visible now. They provide a valuable insight into what Mars used to be like, and why it is the cold, dry place we see today."

"One particular mountain on Mars, bigger than Colorado's grandest, has been beckoning would-be explorers since it was first sighted from orbit in the 1970s. Scientists have ideas about how it took shape in the middle of ancient Gale Crater and hopes for what evidence it could yield about whether conditions on Mars have favored life."

"celestial event that won't occur again for 105 years. On June 5, the second planet in our solar system will crawl across the surface of the sun making an epic journey called the Transit of Venus."

"NASA's Gravity Recovery And Interior Laboratory (GRAIL) program (Ebb and Flow), which is creating a high resolution map of the moon's gravitational field, has also captured footage from the dark side of the moon as part of the MoonKAM (Moon Knowledge Acquired by Middle school students) program. MoonKAM will allow US students to study different parts of the lunar surface using imagery from the Ebb and Flow satellites. "

"NASA's Jupiter-bound Juno spacecraft will carry the 1.5-inch likeness of Galileo Galilei, the Roman god Jupiter and his wife Juno to Jupiter when the spacecraft launches this Friday, Aug. 5. The inclusion of the three mini-statues, or figurines, is part of a joint outreach and educational program developed as part of the partnership between NASA and the LEGO Group to inspire children to explore science, technology, engineering and mathematics. "

"The Best Sites For Learning About The Mars Rover Curiosity: Mars Science Laboratory - interactive is from The Guardian. Meet Curiosity, NASA's New $2.5 Billion Mars Rover is from The Atlantic." ..updated periodically

"The Voyager 1 spacecraft's 35th anniversary is proving to be unexpectedly exciting, as scientists gathered this week to examine new hints that the spacecraft is on the verge of leaving our solar system. Voyager 1 is now more than 11 billion miles away from Earth. It blasted off in September 1977, on a mission to Jupiter and Saturn. But it also carried a Golden Record filled with music and the sounds of our planet, in case it encountered intelligent life as it moved out toward the stars."

This is absolutely mind-boggling! Full 360 degree panoramic interactive moving view of Mars as you've never experienced before. Taken by Opportunity Rover and converted into an interactive panorama

"Burns was one of 18 schools in the world selected to participate in a program that relies on amateur radio volunteers to help connect schoolchildren with astronauts while in orbit. The Daytona Beach Amateur Radio Association teamed up with the Oak Hill school to make the project a success. "

for little kids - Elmo, cartoons

"Here Comes NASA's 18th Annual Great Moonbuggy Race - Forty years after the first lunar rover rolled across the moon's surface, 84 teams of enterprising future engineers will demonstrate the same ingenuity and can-do spirit at the 18th annual NASA Great Moonbuggy Race, set for April 1-2 in Huntsville, Ala. "

"Researchers have long suspected that wandering asteroids might occasionally get snagged by Earth's gravity and become temporary moons, and a few years ago one of these was spotted. Called 2006 RH120, it is a few metres across and wandered into orbit around Earth in July 2006 before drifting off again a year later."

"Personal observations on the reliability of the Shuttle by R. P. Feynman Introduction It appears that there are enormous differences of opinion as to the probability of a failure with loss of vehicle and of human life. The estimates range from roughly 1 in 100 to 1 in 100,000. The higher figures come from the working engineers, and the very low figures from management. What are the causes and consequences of this lack of agreement? Since 1 part in 100,000 would imply that one could put a Shuttle up each day for 300 years expecting to lose only one, we could properly ask "What is the cause of management's fantastic faith in the machinery?""

If you're sensitive to G forces, aka gravity forces, think twice before going up in a glider and asking the pilot if he knows any tricks. "

"J-Track 3-D. It should appear in its own window and begin loading a database of hundreds of satellites. What you will see is a plot in 3-dimensions showing the position of these satellites."

"Scientists gear up to take a picture of a black hole - On Wednesday, Jan. 18, astronomers, physicists and scientists from related fields will convene in Tucson, Ariz. from across the world to discuss an endeavor that only a few years ago would have been regarded as nothing less than outrageous."

"NASA's Kepler mission has discovered 11 new planetary systems hosting 26 confirmed planets. These discoveries nearly double the number of verified Kepler planets and triple the number of stars known to have more than one planet that transits, or passes in front of, its host star. Such systems will help astronomers better understand how planets form."

"OER Materials Browse: Keyword: Mars"

Moonlight makes viewing not so great this year. But, you can still learn about meteor showers and prepare for the next good, moonless meteor shower, the Lyrids, on April 21 and 22, 2012