Astrophysicist Neil deGrasse Tyson and SpaceX CEO Elon Musk have made scathing comments about each other online.

American astrophysicist Neil deGrasse Tyson dismissed Elon Musk's ambitions to send people to Mars, saying that unless there ...

Um, Actually Famed astrophysicist and science fiction pedant Neil deGrasse Tyson doesn't think very highly of multi-hyphenate ...

Comments by Neil deGrasse Tyson made on Bill Maher's "Overtime" on Friday were responded to by Elon Musk on Saturday.

Astrophysicist Neil deGrasse Tyson said he doesn’t think Elon Musk’s vision for space travel to Mars is realistic during a ...