Three Life-On-Mars scenarios, as described by NASA Curiosity Scientist Ashwin Vasavada

Is there (or was there ever) life on Mars? In this great little video — produced by the folks over at thinkrtv — Dr. Ashwin Vasvada, NASA's Deputy Project Scientist for the Mars Curiosity mission, presents three theories surrounding life on the Red Planet, and describes how rovers like Curiosity are helping us paint…

Feast your eyes on Curiosity's latest photos of Mars, including new telephoto views of Mt. Sharp!

You're looking at a small section of a vast and colorful panoramic view of Mars, one of the latest to be beamed back by NASA's Curiosity rover. The panorama (click here for full-res) shows a 360-degree view of the rover's landing site, and a clear shot of the highest visible reaches of Mount Sharp, the rover's primary…