A 30-year-old fossil was hiding bones from a mysterious ancient sea monster

Fossils collected in Osaka more than 30 years ago have revealed a surprise hiding in plain sight: four previously unrecognized bones from a giant Cretaceous mosasaur.

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On this day in space! Aug. 15, 1977: Mysterious 'Wow!' Signal boosts search for E.T.

On Aug. 15, 1977, astronomers using Ohio State University's Big Ear radio telescope detected the famous "Wow!" signal, which remains unexplained to this day.

Brief by WorldPing · Original reporting by Space.com