Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

So far, the answer is no. Scientists have not verified an alien organism, spacecraft, manufactured extraterrestrial object or biological sample on Earth. NASA says it has found no credible evidence of ...

Saturn’s moon Enceladus is one of the places scientists say alien life could be hiding in plain sight. NASA/JPL-Caltech/Space Science Institute Space agencies might have already captured evidence of ...

A NASA image from Mars has reignited an old question online: are some of the strange patterns on the Red Planet really signs of life or movement there NASA/nasa.gov A NASA image from Mars has ...