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KENNEDY SPACE CENTER, Fla.--The space shuttle Endeavour, veteran of 25 trips to orbit since its maiden launch two decades ago, was prepped today for takeoff on its final flight tomorrow, a cross-country tour atop a NASA 747 transport jet that will give the public one last chance to see the iconic spaceplane in flight before landing in Los Angeles Friday for work to ready the ship for museum duty.

Running two days late because of stormy weather along the Gulf Coast, Endeavour and its carrier jet are scheduled for takeoff from the Kennedy Space Center's 3-mile-long shuttle runway … Read more

Two Russian cosmonauts and a NASA flight engineer bid their three space station crewmates farewell Sunday, strapped into their Soyuz ferry craft, undocked from the lab complex and fell back to Earth, making a pinpoint landing in Kazakhstan to close out a 125-day voyage.

Descending through a clear blue sky under a large orange-and-white parachute, the charred Soyuz TMA-04M descent module settled to a rocket-assisted touchdown near the town of Arkalyk at 10:53 p.m. EDT (8:53 a.m. Monday local time).

The final stages of the descent were carried live on television relayed through the Russian mission … Read more

Neil Armstrong, the unassuming test pilot, family man, and reluctant hero who will forever walk in history as the first man on the moon, was honored at the Washington National Cathedral today. He was remembered as much for the quiet dignity he brought to his role as an enduring American icon as he was for his "giant leap for mankind" 43 years ago.

As family members and Armstrong's Apollo 11 crewmates, Edwin "Buzz" Aldrin and Michael Collins, looked on, Apollo 17 Commander Eugene Cernan, the last man to walk on the moon, summed up the … Read more

Engineers testing the Curiosity Mars rover are wrapping up a series of robot arm calibration and motion tests before resuming a slow trek toward a nearby rock formation this weekend, on the lookout for a suitable stone to reach out and touch in an initial round of "contact science," officials said today.

The goal is to make sure the arm can precisely position a sensitive camera and an X-ray spectrometer as required for "hands on" geological observations, including eventual operations with a sample scoop and a compact drill. With the tests nearly complete, the arm has … Read more

For a mobile music player that's 100,000 times less powerful than a crummy 8GB iPod Nano, Voyager 1 is mighty awesome.

The NASA space probe was launched 35 years ago today, on September 5, 1977, three months after a new space opera called "Star Wars" hit theaters. Programmed to explore the outer planets, it has traveled farther than any man-made object since then, and is leaving our solar system for interstellar space.

With its 68-kilobyte computer memory and 8-track tape recorder, Voyager is bringing old-timey tech to the stars. It's currently some 11.3 billion miles from the sun in the heliosheath, the region where the solar wind slows down as it hits gas and dust outside our solar system. … Read more

As the tech world was focused on the Apple-Samsung patent trial, Apple and Google were talking to try to resolve the myriad intellectual property and patent disputes between the companies.

Apple's CEO Tim Cook and Google's Larry Page talked before last week's verdict in the Samsung-Apple trial and plan to talk in a few weeks, to a person familiar with dealings told CNET. Talks are also reportedly taking place between the companies at a lower echelon. •  Back to the future: Apple and Microsoft on collision course, again

When the Samsung decision got announced last Friday afternoon, … Read more

KENNEDY SPACE CENTER, Fla. -- An Atlas 5 rocket boosted a pair of satellites into the maelstrom of the Van Allen radiation belts early today, kicking off a $686 million mission to probe the structure of the belts and how they're buffeted by the sun and to improve forecasting to reduce the threat they pose to astronauts, power grids and increasingly critical satellite systems.

"Today, 11 years hard work was realized by the science team," said Nicola Fox, the deputy project scientist at Johns Hopkins University's Applied Physics Laboratory. "They're now at home in … Read more

When Curiosity touched down on Mars earlier this month, we Earthlings experienced an out of this world multimedia experience showing off amazing angles of the Red Planet. A few days ago, NASA released perhaps the best Mars panorama yet, which simply blows away the rest, at least in terms of size. … Read more

NASA's Curiosity rover, giving earthlings a glimpse of its ultimate target, has beamed back spectacular high-resolution photos of the rugged foothills of Mount Sharp, showing a khaki-colored landscape marked by towering hills, gaping canyons, and sand dunes reminiscent of the American Southwest, scientists said Monday.

In one view, the rover photographed a scientifically intriguing transition from relatively flat rock beds made up of water-influenced minerals to steeply inclined unhydrated layers marking a dramatic, geologically sudden discontinuity that signals a major change in martian history.

But for sheer visual impact, it was a zoomed-in view of the Mount Sharp foothills … Read more