Portal
NASA’s Mars ‘Portal’ Discovery Sparks Hopes for Unveiling Alien Life Secrets
NASA Identifies Possible “Portal” to Underground Caves on Mars NASA has revealed a striking 300-foot-wide hole on Mars that could lead to an underground network of caves—and potentially signs of alien life. Shared as the agency’s Astronomy Picture of the Day, the image (captured in 2017 by the Mars Reconnaissance Orbiter) shows a mysterious circular […]