In 2006, the International Astronomical Union (IAU) decided that a large celestial object is a planet only if its gravitational orbit around the sun makes it round and if it’s big enough to ...

So, what does famed astrophysicist Neil deGrasse Tyson have to say to these people ... explains why it makes perfect sense to classify Pluto as a dwarf planet. Produced by Kamelia Angelova ...

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

The International Astronomical Union has downgraded Pluto to that of dwarf planet. Neil deGrasse Tyson AP “I did troll him with Pluto. I trolled him because he gives Pluto no credit. I’m going ...

Bill Maher went at it with celebrity astrophysicist Neil deGrasse Tyson when Tyson brought up vaccines and said he wasn't trying to "poke the bear." The post Neil deGrasse Tyson Goes At It With Bill ...

The renowned astrophysicist will discuss science in the context of a number of classic films in Phoenix next summer.

"Real Time" host Bill Maher clashed with liberal scientist Neil deGrasse Tyson over his refusal to say that men have a physical advantage over women in sports, insisting he's "part of the problem." ...

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

He may or may not be buying MSNBC, but Elon Musk isn’t taking any put-downs from Neil de Grasse Tyson on his Mars ambitions. The entrepreneur responded today to deGrasse Tyson’s barbed ...

So, what does famed astrophysicist Neil deGrasse Tyson have to say to these people ... explains why it makes perfect sense to classify Pluto as a dwarf planet. Produced by Kamelia Angelova ...

So, what does famed astrophysicist Neil deGrasse Tyson have to say to these people ... explains why it makes perfect sense to classify Pluto as a dwarf planet.