NASA's Mars 2020 will blaze a trail for humans

When a female astronaut first sets foot on the moon in 2024, the historic moment will represent a step toward another NASA first: eventually putting humans on Mars. NASA's latest robotic mission to the Red Planet, Mars 2020, ...

Image: BioRock and roll

This fluorescent work of art captures the beauty of biofilms, or the growth of microbes on rocks. In this microscopic image, Sphingomonas desiccabilis is growing on basalt.

page 1 from 1