aliens

Late Night with Jimmy Fallon: Twitter Questions

Late Night with Jimmy Fallon

Answering viewer's Twitter questions backstage on space exploration, Europa, and aliens on Star Trek.

Evidence for UFOs

Cosmic Quandaries

Ideas about the evidence for aliens and UFOs.

NOVA ScienceNOW: Encountering Antimatter

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On NOVA scienceNOW, commenting on antimatter and what an encounter with an antimatter alien might be like with Robert Krulwich.

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