The scars of impacts on Mars

ESA’s Mars Express has returned new images of an elongated impact crater in the southern hemisphere of Mars. Located just south of the Huygens basin, it could have been carved out by a train of projectiles striking the planet at a shallow angle…

Mars May Be Much Older — or Younger — than Thought

Research by a University at Buffalo planetary geologist suggests that generally accepted estimates about the geologic age of surfaces on Mars — which influence theories about its history and whether or not it once sustained life — could be way off. Funded by the National Aeronautics and Space Administration, the research eventually could overturn principles about the relative ages of different areas on the Red Planet that have not been questioned for nearly 20 years.