Musk has been called an 'extraordinary figure' with a 'strange personality.'
American astronomer Carl Sagan was looking forward even shortly before his death.
Astronauts have given an intriguing answer to the most Googled space question.
Let's just say the Sun will die in a particularly dramatic way.
The spacecraft travelled 314 million miles over a period of nearly seven months to get to its destination when it was launched in 2020.
Would you be up to the challenge?
It looks like Elon Musk has some pretty ambitious plans for Mars.
It turns out even Mars isn't safe from all our trash.