On Sunday Comet Siding Spring will be passing so close to Mars, the two objects look like the same dot on our orbital graph. We’re hoping there are some awesome pictures afterwards!

On Sunday Comet Siding Spring will be passing so close to Mars, the two objects look like the same dot on our orbital graph. We’re hoping there are some awesome pictures afterwards!

I wouldn’t exactly call these beers “pint sized”.  wolfr.am/1xLznRT

One year ago today, the Curiosity rover began to (slowly, slowly) explore Mars.

One year ago today, the Curiosity rover began to (slowly, slowly) explore Mars.

On July 15th, 1965, Mariner IV sent back the first close-up pictures of Mars. Check out the history of Mars missions!

On July 15th, 1965, Mariner IV sent back the first close-up pictures of Mars. Check out the history of Mars missions!

The Spirit Mars rover was launched 10 years ago today.
It performed all its functions using less power than a hand blender.

The Spirit Mars rover was launched 10 years ago today.

It performed all its functions using less power than a hand blender.

The mass of Mars in Mars Bars. 

The mass of Mars in Mars Bars. 

It cost around $2.5 billion to send Curiosity to Mars. That’s kind of a bargain if you consider that a line of dollars, laid end-to-end from Earth to Mars, would add up to $1.6 trillion. 
Learn about this and other fun calculations done with the dollar on our blog. 

It cost around $2.5 billion to send Curiosity to Mars. That’s kind of a bargain if you consider that a line of dollars, laid end-to-end from Earth to Mars, would add up to $1.6 trillion. 

Learn about this and other fun calculations done with the dollar on our blog

Woo! The Mars rover successfully landed! Learn more about Curiosity and past rovers on our blog.

Woo! The Mars rover successfully landed! Learn more about Curiosity and past rovers on our blog.

The Olympus Mons and Pavonis Mons are 980 miles apart. 

The Olympus Mons and Pavonis Mons are 980 miles apart. 

The Olympus Mons (a volcano on Mars) would extend 8 miles above sea level if it were dropped into the Marianas Trench (the deepest part of the world’s ocean). 

The Olympus Mons (a volcano on Mars) would extend 8 miles above sea level if it were dropped into the Marianas Trench (the deepest part of the world’s ocean).