The most enthralling rock yet found on Mars—a speckled hunk of mudstone that just may contain evidence of ancient alien life—is still worth getting excited about. The rock in question is packed with ...

Sean McMahon has previously received funding from NASA. Just over a year ago, Nasa made a remarkable announcement. The Perseverance rover had found potential signs of ancient life on Mars. Now, the ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may have potentially been made by ancient life, NASA announced Wednesday. The team has also ...