Satellite view of asteroid and plume which eventually exploded above Russia TWC/Space.com A newly discovered asteroid the size of a football field will cruise through Earth's neighborhood this weekend, just days after another space rock made an even… more »

Conservative Refocus Notes: .08 inches as measured against what previous reading? What is the statistical error of the measurements? How much erosion has occurred ? What tidal forces are at play? What time of year are we comparing? Point being that comm… more »

To avert a possible catastrophe – this time set for February 2013 – scientists suggest confronting asteroid 2012 DA14 with either paint or big guns. The stickler is that time has long run out to build a spaceship to carry out the operation. ­NASA's… more »

Wired Science / Dave Mosher Engineers have made a tiny engine a few micrometers wide, or roughly the size of a water droplet found in fog. The device is both confined and powered by a “trap” of laser light, and it sputters a bit. The fact that it… more »

By Mike Wall, SPACE.com Senior WriterSpace.com An asteroid the size of a city block will zoom by Earth inside the orbit of the moon today (Nov. 8), but it poses no danger of smashing into our planet, scientists say. The asteroid 2005 YU55, whic… more »