Arts, Culture & Media

Geo answer

For today's Geo Quiz we were looking for the altitude at which the Earth's atmosphere crosses over into outer space. That boundary is referred to as the the K-rm-n line. Anchor Marco Werman speaks with photographer Robert Harrison.

Science, Tech & Environment

How high the moon?

December 21 marks the shortest day � and the longest night of the year in the northern hemisphere. This year there was an extra treat on the solstice: A total lunar eclipse. Our question today: Do you know the distance to the moon?