John L. Callas Latest articles by John L. Callas NASA's Opportunity Rover: A Decade of Mars Exploration (Op-Ed) By John L. Callas published 23 January 14 Mars Rovers Get the Space.com NewsletterBreaking space news, the latest updates on rocket launches, skywatching events and more!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MORE FROM SPACE...1James Webb Space Telescope captures thousands of galaxies in a cosmic 'feast' (image)2The Eta Aquarid meteor shower peaks May 6. Here's what to expect from the 'crumbs' of Halley's Comet3Doubts mount further over signs of alien life on K2-18b: 'This is evidence of the scientific process at work'4Watch 2 NASA astronauts perform the 5th-ever all-female spacewalk today5Cyclones on Jupiter and a moon with flowing magma: NASA Juno probe's latest discoveries are awesome
NASA's Opportunity Rover: A Decade of Mars Exploration (Op-Ed) By John L. Callas published 23 January 14
