I own a horse
Indeed there is. Mars even has it's own polar caps, just like Earth. See the related link.
Mars does not revolve around any planets, it is a planet in its own right. If it did, it would be called a moon. It orbits the sun directly.
This is Mars Express and it is still operating today (July 2010). Part of the Mars Express mission was releasing the UK's Beagle 2 lander (essentially a mission in its own right), however this failed.
That's a possibility, but scientists are being extremely careful not to do that yet - because if there is any life on Mars now, it would almost certainly be wiped out if we started terraforming Mars. So we don't want to risk it until we're fairly certain that Mars has no life of its own.
Not mars bars
Mars hit its own moon.
If you are talking about the Mars - the planet, then the answer is No.
The Fortune 500 is a list of publicly traded companies; Mars is privately held.
Mars Candybars
No. Mars has almost no atmosphere and no wind of it's own.
Nope... it's owned by Mars Inc.
VANGUARD invests the most in Mars company. And many other companies - 90% of them.
Mars is one of the oldest candy companies in the world. The company's original slogan was first created and written by Frank Mars.
yes
I own a horse
I don't know if they own pharmaceutical companies but it should be a conflict of interest and a crime if they do.