In virtual experiments, AI repeatedly misread dead digital organisms as self-replicating life.

The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.