Curiosity to begin search for Martians

The penny in this image is part of a camera calibration target on NASA’s Mars rover Curiosity taken by the Mars Hand Lens Imager (MAHLI) camera on Mars September 9, 2012. Credit AFP Photo/NASA/JPL-Caltech/Malin Space Science Systems

After a nail-biting entry and descent followed by firing off a few breathtaking images inside Gale Crater, Curiosity is about to begin the mission it was designed so well for. Prospecting for ancient biotic gold: [Read more...]

Mars rocks and rolls

There’s a bit of a lively debate in geology about tectonic plates and how rare or common they may be. Since earth is the only planet we’ve studied in-depth, the winners of that debate are yet to be announced. But one geophysicist has found evidence for nascent plate tectonics on a certain nearby world, and the evidence was there all along: [Read more...]