Life on Mars? Do you have Rocks in Your Head?

The Cosmic Companion
May 18 · 4 min read
An artist’s concept of NASA’s Mars 2020 rover exploring the surface of the Red Planet. Image credit: NASA/JPL-Caltech
Fossils from the ocean floor, like this one produced by ancient fungus, could help researchers learn how to search for signs of life, past or present, on Mars. Image credit: Dr. Magnus Ivarsson
The ExoMars mission is ready to carry out the next step in our quest to learn whether or not life ever developed on the Martian surface. Credit: ESA

The Cosmic Companion

Exploring the wonders of the Cosmos, one mystery at a time

The Cosmic Companion

Written by

James Maynard is the author of two books, and thousands of articles about space and science. E-mail: thecosmiccompanion@gmail.com

The Cosmic Companion

Exploring the wonders of the Cosmos, one mystery at a time