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 ...

Republican lawmakers have announced that Congress will continue to follow the centuries-old norm that men should use the ...

I don't see it happening until governments judge that it's geopolitically in our interest,” he said in conversation with ...