Comets always seem to bring 'em out of the wood work.

Space & Earth - Space Exploration

Apr 30, 2013 4.1 / 5 (12) 18

An icy interloper was in the sights of a NASA spacecraft this past weekend. Comet 2012 F6 Lemmon passed through the field of view of NASA's HI2A camera as seen from its solar observing STEREO Ahead spacecraft. ...

Space & Earth - Space Exploration

Apr 25, 2013 5 / 5 (1) 0

(Phys.org) —The NASA Hubble Space Telescope has given astronomers their clearest view yet of Comet ISON, a newly-discovered sun grazer comet that may light up the sky later this year, or come so close to ...

Space & Earth - Space Exploration

Apr 23, 2013 4.9 / 5 (14) 5 |

Forty years ago, on April 5, 1973, a small, ambitious spacecraft launched from Cape Canaveral, heading towards the third-brightest point of light in the night sky. Following in the footsteps of its sister ...

Space & Earth - Space Exploration

Apr 09, 2013 5 / 5 (6) 5

(Phys.org) —NASA and international researchers have discovered that Earth's moon has more in common than previously thought with large asteroids roaming our solar system.

Space & Earth - Space Exploration

Mar 25, 2013 4.5 / 5 (11) 13 |

The end of NASA's plutonium shortage may be in sight. On Monday March 18th, NASA's planetary science division head Jim Green announced that production of Plutonium-238 (Pu-238) by the United States Department ...

Space & Earth - Space Exploration

Mar 21, 2013 4.3 / 5 (15) 8

(Phys.org) —For a comet, visiting the sun is risky business. Fierce solar heat vaporizes gases long frozen in the fragile nucleus, breaking up some comets and completely destroying others.

Space & Earth - Space Exploration

Mar 18, 2013 5 / 5 (2) 0 |

Now's your chance to see the comet that passed within 100 million miles of Earth last week. Twilight on Tuesday will provide the best photo op for the comet called Pan-STARRS. It will be visible in the Northern ...

Space & Earth - Space Exploration

Mar 11, 2013 5 / 5 (5) 0

(Phys.org) —Comets visible to the naked eye are a rare delicacy in the celestial smorgasbord of objects in the nighttime sky. Scientists estimate that the opportunity to see one of these icy dirtballs advertising ...

Space & Earth - Space Exploration

Mar 08, 2013 5 / 5 (1) 0

Models boost the significance of image and measurement data from space missions and help to understand our solar system. A simulation of a double impact that occurred on the proto-planet Vesta one billion ...

Space & Earth - Space Exploration

Feb 14, 2013 not rated yet 0

Electric rocket engines known as Hall thrusters, which use a super high-velocity stream of ions to propel a spacecraft in space, have been used successfully onboard many missions for half a century. Erosion of the discharge ...

Physics - General Physics

Feb 13, 2013 4.9 / 5 (15) 4 |

Scientific observations made by NASA's Lunar Reconnaissance Orbiter (LRO) mission are the subject of the latest special edition volume of Journal of Geophysical Research Planets, a scientific peer-reviewed journa ...

Space & Earth - Space Exploration

Feb 12, 2013 5 / 5 (3) 0

(Phys.org)—The newly discovered comet ISON, which late this year could give sky watchers one of the brightest shows ever, shines in a new movie made by a University of Maryland-led team of scientists. The ...

Space & Earth - Space Exploration

Feb 05, 2013 5 / 5 (10) 0 |

The protoplanet Vesta has been witness to an eventful past: images taken by the framing camera onboard NASA's space probe Dawn show two enormous craters in the southern hemisphere. The images were obtained ...

Space & Earth - Space Exploration

Jan 03, 2013 2.5 / 5 (2) 0 |

(Phys.org)—When you look up at the stars at night, the space between stars looks empty. But, yes there is something there. It's called the interstellar medium. An experiment from the University of Colorado ...

Space & Earth - Space Exploration

Dec 14, 2012 5 / 5 (2) 1 |