SNOPES:
A photograph captured by NASA’s Mars Curiosity Rover on May 7, 2022, showed a “portal and a wall nearby that looks artificial.”
Snopes:
Rebuttal
While the image in question was an authentic photo captured by a camera aboard the NASA Curiosity rover on May 7, 2022, the agency’s Jet Propulsion Laboratory told Snopes that, what some social media users interpreted to be a “portal and a wall,” was actually a rock crevice on the red planet.