Blog Editor's Notes...

Some of you have asked about the dangers of space debris. Check this out:

In an unprecedented collision in space, two huge satellites slammed into each other nearly 500 miles above Siberia, creating a debris field that likely will pose a danger to other man-made objects.

Read the full story here.

Also, Dr. Magnus is starting to prepare for her return to Earth:

Flight Engineer Sandy Magnus pre-packed items to be sent back to Earth aboard space shuttle Discovery during the STS-119 mission. Liftoff for STS-119 is currently scheduled for no earlier than Feb. 22.

Here is a link to the full story.