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A project aiming to create an easier way to measure cosmic distances has instead turned up surprising evidence that our large and ancient universe might be even bigger and older than previously thought. If accurate, the finding would be difficult
NASA announced the discovery of life on Mars. Ten years later, the results have not been verified. Skeptics found non-biological explanations for every piece of evidence presented. NASA scientists who advanced this claim now stand alone in their beli
10 years ago NASA announced the discovery of life on Mars. Ten years later, the results have not been verified. Skeptics have found non-biological explanations for every piece of evidence that was presented. The NASA scientists who advanced it now st
For Northern Hemisphere observers, August is usually regarded as "meteor month" with one of the best displays of the year reaching its peak near midmonth. That display is, of course, the annual Perseid Meteor Shower beloved by everyone fro
Russia's space agency is seeking volunteers for a 520-day 'flight' to Mars and back. To qualify in the first round of selection, you would need to be aged between 25 and 50 years. Being a doctor, engineer, biologist or computation instrum
Astronomers have spotted a seven-Jupiter mass object paired to another 14-Jupiter-mass companion in deep space. Instead of orbiting around a star, however, the two planetary mass objects, or "planemos," are circling each other.
Long before the Bible's tale of Jonah being swallowed by a whale, a small wannabe star emerged intact after being engulfed by a neighboring giant star, scientists say. The victim was a brown dwarf, a failed star too small to sustain the nuclea
The 55 Cancri system involves three gas giant planets and another world that could be icy or rocky and is about the size of Neptune. The setup is 41 light-years from Earth and about 4.7 billion years old, comparable to our Sun.
Pictures from the 1st Privately Funded Space Station now in Orbit
Despite the success of NASA’s second shuttle flight since the 2003 Columbia tragedy, the decision to launch astronauts to the Hubble Space Telescope remains uncertain as top agency officials debate its safety.
The proliferation of garbage in low Earth orbit has reached a point where it will increase in the coming decades even if all rocket launches were canceled starting now, according to research by NASA’s Johnson Space Center.
Obtaining U.S. permission to shoot Genesis-1 into orbit atop the Dnepr booster—a converted Cold War, silo-launched SS-18 intercontinental ballistic missile from Russia—was no trouble-free task.
NASA is considering shutting down all the research programs it conducts aboard the International Space Station for at least a year to fill a projected budget shortfall of up to $100 million, a top station manager said
NASA's Cassini spacecraft has found lakes on Saturn's moon Titan. The lakes are most likely the source of hydrocarbon smog in the frigid moon's atmosphere. Finding the source of the complex soup of hydrocarbons in Titan's atmosphere
An enormous amoeba-like structure 200 million light-years wide and made up of galaxies and large bubbles of gas is the largest known object in the universe, scientists say. The galaxies and gas bubbles, called Lyman alpha blobs, are aligned along
A new survey of young pulsars by the ESA's XMM-Newton Observatory suggests astronomers might have had it reversed this entire time, and that heat is being generated inside the stars, not outside.
An extensive survey designed to find black holes has come up surprisingly short, leaving astronomers to wonder if their theories about these cosmic gravity wells are correct. Many large galaxies are thought to be anchored by supermassive black holes.
Newly detected dust found around the burst remains of a dead star could help reveal how planets and stars formed and how life began. About 160,000 years ago, a star 20 times more massive than our sun erupted in a fiery explosion called a supernova
Young stars are loaded with energy, and they can spin around in half a day or less, compared to the 28 days it takes our more mature Sun to make a revolution. But young stars would spin even faster if something didn't hold them back.
Scientists said they have found the first widespread evidence of giant hydrocarbon lakes on the surface of Saturn's planet-size moon Titan. The cluster of lakes was spotted near Titan's frigid north pole during a weekend flyby by the inter
The trip would involve a launch in a Soyuz capsule, an eight-day stay aboard the international space station and a 90-minute spacewalk in a Russian spacesuit.
It may be the pinnacle of travel perks, but the only firm arranging private trips to the International Space Station is now offering a bonus spacewalk for clients willing to pay for more than a standard $20 million trip.
The Genesis-1 module orbiting the Earth not only transmits its temperature, integrity, power levels and overall health—it also signals entrepreneurial zeal and private sector spunk. As a pathfinder demonstrator spacecraft, the Genesis-1 mission ma
With NASA just weeks away from announcing which companies it has selected to share in $500 million it intends to spend through 2010 fostering new space station crew and cargo delivery services, the head of one of the rejected bidders says the U.S. sp
New radar images of Saturn's moon Titan reveal dunes, hills, valleys and rivers that scientist say look a lot like home. But on Titan, which is frigid and shrouded in smog, the features are likely carved in ice rather than solid ground.
Virgin Galactic, a Virgin Group company, has sold some 200 tickets to passengers for suborbital flights, starting in 2008, said Will Whitehorn, the company's president.
A busted nut, not human error, is to blame for the fuel leak that doomed the Falcon 1 rocket on is maiden flight, according to the findings of a government review board chartered to investigate the March 24 launch failure.
In February, a faint star a few thousand light-years away flared suddenly, beaming so brightly that for a few days it was visible to the naked eye. The star is a stellar corpse the size of Earth, known as a white dwarf, and it is paired in a
Over the next 12 to 18 months, NASA is loading its space shuttles with space-station elements that will push the orbiters to their cargo-carrying limits. The complexity and packed pacing of spacewalks that shuttle astronauts and the station crew will
A single dose of radiation approaching what will be faced by long-term space travelers to the Moon or Mars causes as much as a 39 percent spongy bone loss in mice, a new study shows. The loss of connectivity in spongy bone ranged as high as 64 pe
