Register for an account

X

Enter your name and email address below.

Your email address is used to log in and will not be shared or sold. Read our privacy policy.

X

Website access code

Enter your access code into the form field below.

If you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.

The Sciences

What is This? The Surface of Mars?

Not quite—but some people pretend it is.

arsenic.jpg
Photo © J. Henry Fair | NULL

Newsletter

Sign up for our email newsletter for the latest science news

The bright red fingers of the Rio Tinto, an acidic river in southwest Spain, are seen in this aerial photograph. NASA scientists have made use of this uninviting landscape in the Mars Analog Rio Tinto Experiment (MARTE) to develop drilling and sample handling technologies that may be used in future explorations of Mars. Field researchers have already found that the Rio Tinto is full of extremeophile microbes that can thrive in the harsh iron- and sulfur-laden waters that are hostile to many organisms.

    2 Free Articles Left

    Want it all? Get unlimited access when you subscribe.

    Subscribe

    Already a subscriber? Register or Log In

    Want unlimited access?

    Subscribe today and save 70%

    Subscribe

    Already a subscriber? Register or Log In