nasa

It's a bummer running out of gas, especially when the nearest station is 22,000 miles away.

But a project to set up a gas station on the International Space Station made a big leap forward this week with the successful refueling of a mock satellite by a robot.

Dextre, a twin-armed robot from Canada, topped off the fuel tank in the mockup, showing how satellites' life can be extended, according to the Canadian Space Agency (CSA).

Operating on the Robotic Refueling Mission (RRM) module, Dextre removed safety caps and cut through retaining wires before transferring liquid ethanol to the mockup, which is about the size of a washing machine.

The CSA-NASA achievement is the first of its kind, and may help reduce the growing pile of dead satellites and space junk orbiting overhead. … Read more

The U.S. government is hoping that hackers can help make the nation a better place.

The White House announced today that it will kick off a "National Day of Civic Hacking" on June 1 and 2 and is inviting those with tech know-how to use their coding skills to improve communities across the country.

"Civic Hacking Day is an opportunity for software developers, technologists, and entrepreneurs to unleash their can-do American spirit by collaboratively harnessing publicly-released data and code to create innovative solutions for problems that affect Americans," the White House wrote in a statement.… Read more

I love it when engineers show off.

NASA scientists, having apparently nothing better to do, have shot an image of the Mona Lisa to the moon by piggybacking it on laser pulses. Leonardo da Vinci's masterpiece was successfully received by an instrument aboard the agency's Lunar Reconnaissance Orbiter (LRO) some 240,000 miles away.

"This is the first time anyone has achieved one-way laser communication at planetary distances," MIT's David Smith, head of the spacecraft's Lunar Orbiter Laser Altimeter (LOLA), said in a release.

"In the near future, this type of simple laser communication might serve as a backup for the radio communication that satellites use. In the more distant future, it may allow communication at higher data rates than present radio links can provide." … Read more

Doomsday isn't far from many people's imaginations, whether it's the end of the Mayan calendar, the rapture, or a massive asteroid smashing into the Earth. Now, one of these far-flung scenarios may become even less likely.

The European Space Agency announced this week that it's in the beginning phases of an "Asteroid Impact and Deflection Mission" with its U.S. partner Johns Hopkins Applied Physics Laboratory. The eventual goal of the mission is to verify whether scientists can collide with an asteroid that's hurtling through space -- so as to avoid any possible … Read more

The Curiosity Mars rover has found intriguing veined rocks just below tilted cross-bedded layers that indicate water once flowed and "percolated" through fractured terrain near the landing site in Gale Crater, scientists said today. The discovery provides additional evidence of a watery past on the Red Planet.

Taking their time evaluating a surprising variety of scientific targets, mission scientists and engineers now are gearing up for the first tests of a powerful impact drill that will be used to collect samples from inside targeted rocks.

The drill tests are a final major milestone before the rover begins creeping … Read more

NASA has awarded a contract to explore ways to potentially expand the International Space Station.

The agency announced last week that Bigelow Aerospace has been awarded a $17.8 million contract to deliver to the agency an inflatable extension for the space station. According to NASA, the Bigelow Expandable Activity Module "will demonstrate the benefits of this space habitat technology for future exploration and commercial space endeavors."

Inflatable space technology is nothing new. In fact, the first passive communications satellites -- Echo 1 and Echo 2 -- were both inflatable. NASA determined in 1958 that the satellites would … Read more

Earthlings can breathe a sigh of relief; NASA scientists have officially ruled out the possibility of the 22 million ton asteroid Apophis smashing into the planet in 2036.

"The impact odds as they stand now are less than one in a million, which makes us comfortable saying we can effectively rule out an Earth impact in 2036," manager of NASA's Near-Earth Object Program Office Don Yeomans said in a statement. "Our interest in asteroid Apophis will essentially be for its scientific interest for the foreseeable future."

Apophis is still en route to come exceedingly close … Read more

Most of the big news this week came out of Las Vegas where gadget geeks gathered for the Consumer Electronics Show. But now for some mind-blowing stuff, courtesy of NASA: An international team of astronomers has determined that a stellar system called NGC 6872 is more than five times the size of our Milky Way galaxy and thus holds the title of the biggest spiral galaxy known to science. How big is big? Think about it this way: the spiral galaxy spans more than 522,000 light-years across.

The first American manned spacecraft to reach orbit in the wake of the shuttle's retirement will be crewed by company test pilots -- not NASA astronauts -- in part to give space agency managers better insight into flight readiness and safety, officials said Wednesday.

Assuming NASA gets the funding that managers say they need -- a big "if" in today's political environment -- Space Technologies Corp., or SpaceX, hopes to launch a manned version of its Dragon cargo ship in the mid 2015 time frame, followed by a crewed flight to the International Space Station later … Read more