A crack at life
By Ron Cowen
New images of ancient cracks on Mars suggest that liquid may have percolated through underground rock, providing a possible habitat for primitive life.
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2007/03/6576.jpg?resize=270%2C300&ssl=1)
NASA’s Mars Reconnaissance Orbiter, which carries the most powerful magnifying camera yet sent to the Red Planet, captured the images in September 2006 as it flew over a Martian canyon called Candor Chasma.