NASA Is Trying to Figure Out a Mysterious Signal From Deep Space (Video) 

Slate in motion.
June 25 2014 2:00 PM

What Is This Mysterious Signal From Deep Space?

It has some astronomers very excited.

Mysterious X-ray Signal Intrigues Astronomers

Chandra X-ray Observatory Center

Astronomers at NASA and the European Space Agency have noticed a strange, unidentified signal coming from about 240 million light years from Earth.

Jim Festante is an actor/writer in Los Angeles and regular video contributor to Slate. He is the author of the Image Comics miniseries The End Times of Bram and Ben.