美国宇航局发现火星上可能存在水的证据

NASA finds possible evidence of water on Mars

NASAfindspossibleevidenceofwateronMars - bgr.com

https://nypost.com/2018/02/19/nasa-finds-possible-evidence-of-water-on-mars/

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UFO的证据：记录显示在俄勒冈上空对奇怪飞船的交通管制困惑

UFO ‘evidence’: Recordings reveal air traffic control’s confusion at strange craft over Oregon

Fox News

UFO ‘evidence’: Recordings reveal air traffic control’s ...

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人类对外星人发现的消息作何反应？

How will humanity react to news of an alien discovery?

http://www.foxnews.com/science/2018/02/19/how-will-humanity-react-to-news-alien-discovery.html