Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Moon to cast red glow; could it be an omen? Mother Nature will offer a special treat this evening: a blood-red moon, just in time for Halloween. A total lunar eclipse, the last visible in North America until 2007, will begin tonight at 8:06 and continue until about 2 am Thursday.

Sci/Tech