A relatively large potentially hazardous asteroid passed near Earth earlier today. Now, it's visible in small telescopes tonight.
As part of the NASA Innovative Advanced Concepts program, NASA recently announced 13 radical proposals for funding and development
Got any plans Tuesday? Good. Keep them but know this. That day around 3 p.m. CDT (20:00 UT) asteroid 2014 KH39 will silently…
Radar images of asteroid 2007 PA8 acquired on October 28, 29 and 30. (NASA/JPL-Caltech/Gemini) Take a good look at asteroid…