The Dawn spacecraft has resumed normal ion thrusting after the thrusting unexpectedly stopped and the spacecraft entered safe mode on September 11.
› Read more (September 16, 2014)
'J' Marks the Spot for Rosetta's Lander
The European Space Agency's Rosetta mission has chosen the primary and backup cometary landing sites for its November landing attempt.
› Read more (September 15, 2014)
First Map of Rosetta's Comet
Scientists on the Rosetta mission have mapped several distinctive regions on the nucleus of comet 67P/Churyumov-Gerasimenko.
› Read more (September 11, 2014)
NASA Instrument on Rosetta: First Science Results
A NASA instrument aboard the European Space Agency's Rosetta orbiter has successfully made its first delivery of science data from comet 67P/Churyumov-Gerasimenko.
› Read more (September 04, 2014)
Average distance between Earth and the moon is about 239,000 miles (385,000 kilometers).
The Asteroid Watch Widget tracks asteroids and comets that will make relatively close approaches to Earth. The Widget displays the date of closest approach, approximate object diameter, relative size and distance from Earth for each encounter. The object's name is displayed by hovering over its encounter date. Clicking on the encounter date will display a Web page with details about that object.
The Widget displays the next five Earth approaches to within 4.6 million miles (7.5 million kilometers or 19.5 times the distance to the moon); an object larger than about 150 meters that can approach the Earth to within this distance is termed a potentially hazardous object.