These shocking UFOs have been spotted over some of the biggest cities in the U.S. See more in this compilation from The Proof is Out There.
BBC Sky at Night Magazine on MSN
Neil deGrasse Tyson wants you to be ready for an alien encounter. Here’s how he’d make first contact
Forget Hollywood: aliens should look as different to us as we do to bananas, saysdeGrasse Tyson ...
Why are scientists taking unidentified aerial phenomena seriously? Because every answer matters for science, national security, and the people whose lives are changed by these experiences.
Only a small fraction of search-and-rescue expenses have been recovered so far.
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