Mars is further out from the sun than earth.
Mars
mars
Mars
Venus and Mars Mars is more closer... What has that mean?? To answer your question, Venus and Mars are close to Earth.
No animals currently exist on planet Mars as we know of considering how the conditions there are to harsh to live.
Currently (on August 27, 2009) the planet Mercury is closest to the Earth. If you were thinking Mars, guess again; Mars is actually fairly distant. Not QUITE across the solar system from Earth, but over 1.3 AU away! If you thought Mars would be very close, you may have been reading the Mars Hoax.
MARS
Mars
yes
Mars is the red planet, because it looks red on close approaches. The next close approach will be in the spring of 2014, you can have a look at it then.
Mars is a planet that is too cold for liquid water to exist on its surface. Almost the entire surface of Mars is covered in ice.
It is close enough that we can see it.