Choose your favorite space story from these 12 top picks of the last week here on SPACE.com.
Five years ago last week, Pluto's two tiny moons, Nix and Hydra, got their names. Pluto's largest moon Charon has been known for decades. [Read More]
The storm included a moderate C7-class solar flare kicked off the solar storm and triggered a massive eruption of plasma, known as a coronal mass ejection. [Read More]
Kelly commanded NASA's final flight of the space shuttle Endeavour in May 2011 will leave NASA, and the Navy (where he holds the rank of Captain), effective Oct. 1. He also has an identical twin, Scott Kelly, who is also a Navy captain and astronaut. [Read More]
Last week, NASA declared the exploration phase of the spacecraft's mission complete, with a focus ahead on pure moon science. [Read More]
Using NASA's Cassini spacecraft orbiting Saturn, scientists have discovered that the water geysers erupting from Enceladus contain a significant amount of salt — enough to suggest the presence of a subterranean sea.
The finding might have implications for the possibility of life on Enceladus, researchers said. [Read More]
Tickets for a trip in the superfast jet, known as ZEHST (for Zero Emission Hypersonic Transportation), will likely cost in the neighborhood of $10,000 to $30,000 in today's dollars, according to aerospace industry experts. That hefty price tag will keep most regular folks out of the skies — a fact that perhaps doesn't bode well for ZEHST's long-term survival. [Read More]
When the objects faded into the distance, Arnold flew to Yakima, Wash., landed and immediately told the airport staff of the unidentified flying objects he had spotted. The next day, he was interviewed by reporters, and the story spread like wildfire across the nation. [Read More]
NASA's Dawn probe is now just 96,000 miles (155,000 kilometers) from Vesta, the second-largest object in the main asteroid belt between Mars and Jupiter, NASA officials announced today (June 23). The spacecraft should enter into orbit around the 330-mile-wide (530 km) space rock on July 16. [Read More]
Scientists examined solar particles snagged in space by NASA's Genesis probe, whose return capsule crash-landed on Earth in 2004. These salvaged samples show that the sun's basic building blocks differ significantly from those of Earth, the moon and other denizens of the inner solar system, researchers said. [Read More
Another successful glide of the first SpaceShip Two craft, christened VSS Enterprise, took place June 23, marking the 14th glide flight test of the vessel — an 8-minute, 55-second free fall after midair release from its mothership. The test came a week after VSS Enterprise proved it could be flown on back-to-back days. [Read More]
The asteroid 2011 MD is small, as asteroids go - about the size of a tour bus. It will pass within 7,500 miles of Earth on Monday, but poses no risk of smacking the planet. [Read More]