The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

"Live Free or Die Hard," "Independence Day" and other films take place against the backdrop of Fourth of July. Here's a list ...

An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.

Lionfish, mitten crabs and “sea vomit.” Meet eight marine species inadvertently brought to new territory that are taking the ...

To participate, submit your response here by July 10 at 9 a.m. Eastern. This week’s winners will be announced by July 22. By The Learning Network Heeva Alavi, an Iranian-American, writes about her ...

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