Data From Spirit Rover Provides Evidence for Acid Fog on Ancient Mars

False-color mosaic of Cumberland Ridge, with pie charts representing iron-bearing mineralogy. Image Credit: S. Cole, PhD thesis; background image: NASA/JPL/Cornell/Arizona State University; Moessbauer values from Morris et al. 2008 (doi: 10.1029/2008JE003201)

False-color mosaic of Cumberland Ridge, with pie charts representing iron-bearing mineralogy. Image Credit: S. Cole, PhD thesis; background image: NASA/JPL/Cornell/Arizona State University; Moessbauer values from Morris et al. 2008 (doi: 10.1029/2008JE003201)

The various rover and lander missions on Mars have provided unprecedented glimpses into the planet’s past, including geological history and environmental conditions. In […]

Opinion: E.T. Are You Out There?

If the cosmos is filled with alien life, then why haven’t we heard from them? Photo Credit: NASA/JPL-Caltech/T. Pyle

This article originally appeared on the website for The Planetary Society and is republished with permission.

You and your wife are on a two-hour trip late at night in separate cars, travelling through dense fog. […]

Opinion: Curiosity, Fermi and the Search for Extraterrestrial Life

Does life exist on far-flung worlds throughout the universe? Image Credit: NASA

There were two different stories floating around the internet last week—each one startling in its own right, and both highlighting the ups and downs in the search for alien life.

[…]

Curiosity's Instruments Sniff Out Further Evidence of Mars' Watery Past

NASA’s Mars Science Laboratory rover Curiosity has detected further evidence that the Red Planet once could have supported life. Image Credit: Max Q Entertainment

The Mars Science Laboratory rover trolling the dusty plains of the Red Planet has spotted evidence that provides one more bit of proof that Mars was once a wet world. […]

The Latest from Curiosity: Rocks, Eclipses, and Plaques

Curiosity’s progress from Bradbury Landing to Glenelg as of Sol 46 (September 19) –  950 feet down, 656 left to go. Photo Credit: NASA/JPL

NASA’s Curiosity rover is making great strides – or great wheel tracks rather – on its primary mission. The rover, which landed at Bradbury Landing late on August 5, is rolling along […]