An infrared sensor that could improve NASA's future detecting and tracking of asteroids and comets has passed a critical design test.

Space & Earth - Space Exploration

Apr 16, 2013 5 / 5 (3) 0

(Phys.org)—Alon Efrat and Jonathan Myers of the UA computer science department are working under a new grant to help improve methods for discovering asteroids on paths toward Earth.

Space & Earth - Space Exploration

Dec 04, 2012 5 / 5 (2) 1

(Phys.org)—A collage shows nine radar images of near-Earth asteroid 2007 PA8 that were obtained between Oct. 31 and Nov. 13, 2012, with data collected by NASA's 230-foot-wide (70-meter) Deep Space Network ...

Space & Earth - Space Exploration

Nov 27, 2012 5 / 5 (3) 2 |

(AP) — Who will protect us from a killer asteroid? A team of ex-NASA astronauts and scientists thinks it's up to them.

Space & Earth - Space Exploration

Jun 28, 2012 3.3 / 5 (3) 1

To deal with potentially hazardous Near Earth Objects (NEOs) that could strike the Earth, there is need to establish an effective international communications strategy - but doing so is a daunting task, one that demands effective ...

Space & Earth - Space Exploration

Jun 08, 2012 5 / 5 (3) 1

(Phys.org) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal ...

Space & Earth - Space Exploration

May 17, 2012 4.8 / 5 (4) 0 |

Several blockbuster movies, television shows and commercials have depicted the discovery of an asteroid heading towards Earth and usually, somehow, impending doom is averted. But how do the discoveries of ...

Space & Earth - Space Exploration

Feb 02, 2012 5 / 5 (2) 0

(PhysOrg.com) -- One of the most accessible goals for human spaceflight is a rendezvous with a Near Earth Object (NEO). NEOs are asteroids or comets whose orbits take them close to the earth's orbit. An NEO ...

Space & Earth - Space Exploration

Oct 25, 2011 not rated yet 1

For the first time, observations coordinated by ESA's space hazards team have found an asteroid that comes close enough to Earth to pose an impact threat. The space rock was found by amateur astronomers, highlighting ...

Space & Earth - Space Exploration

Oct 13, 2011 5 / 5 (2) 0

(PhysOrg.com) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) mission indicate the family of asteroids some believed was responsible for the demise of the dinosaurs is not likely the ...

Space & Earth - Space Exploration

Sep 20, 2011 4.9 / 5 (10) 23 |

(PhysOrg.com) -- A new software system has been developed that could support decisions on how to respond to potential Near Earth Object (NEO) impacts on Earth.

Space & Earth - Space Exploration

May 13, 2011 3 / 5 (1) 2

(PhysOrg.com) -- NASA's NEOWISE mission has completed its survey of small bodies, asteroids and comets, in our solar system. The mission's discoveries of previously unknown objects include 20 comets, more ...

Space & Earth - Space Exploration

Feb 01, 2011 5 / 5 (6) 2

So you think global warming is a big problem? What could happen if a 25-million-ton chunk of rock slammed into Earth? When something similar happened 65 million years ago, the dinosaurs and other forms of life were wiped ...

Space & Earth - Space Exploration

Jan 28, 2011 4.7 / 5 (14) 58 |

(PhysOrg.com) -- Scientists from all over the world are taking a second, more expansive, look at the car-sized asteroid that exploded over Sudan's Nubian Desert in 2008. Initial research was focused on classifying ...

Space & Earth - Space Exploration

Dec 15, 2010 4.7 / 5 (16) 5 |

(PhysOrg.com) -- A small asteroid will fly past Earth early Tuesday within the Earth-moon system. The asteroid, 2010 TD54, will have its closest approach to Earth's surface at an altitude of about 45,000 kilometers ...

Space & Earth - Space Exploration

Oct 11, 2010 4.8 / 5 (11) 6 |