
Technique for finding signs of life on the Red Planet
For centuries, people have imagined the possibility of life on Mars. But long-held dreams that Martians could be invaders of Earth, or little green men, or civilized superbeings, all have been under ... more
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Circular orbits for small extrasolar planets
Researchers based at Aarhus University have measured the orbital eccentricity of 74 small extrasolar planets and found their orbits to be close to circular, similar to the planets in the solar syste ... more
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Fossil fuels harm health from 'cradle to grave': report
Trash, mulch and security: All jobs for troops in Washington
Rising oceans to threaten 1.5 million Australians by 2050: report
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OPALS Boosts Space-to-Ground Optical Communications Research
Ever wonder why stars seem to twinkle? This effect is caused by variations in the density of our atmosphere that cause blurring in light coming from space. It's pretty for stargazing, but a challeng ... more
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Telescope-Laser Cannons to Clean Up Dangerous Space Junk
The low Earth orbit is filled with what amounts to an outer space junk yard, left behind by decades of discarded satellites, collisions, and debris. And now Operation Orbital Clean House is aiming t ... more
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Toward a squishier robot
For decades, robots have advanced the efficiency of human activity. Typically, however, robots are formed from bulky, stiff materials and require connections to external power sources; these feature ... more
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NASA Awards Study Contract To Deep Space Industries
NASA has selected Deep Space Industries (DSI) for two contracts devoted to developing critical technologies for utilizing asteroid resources. One will support the development of asteroid regolith si ... more
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Mystery Methane on Mars: The Saga Continues
A scientist has raised questions about the latest detection of methane on Mars, suggesting that NASA's rover could be responsible for the mysterious burp. Highly unlikely, but not impossible, says t ... more
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