The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

A Stanford scientist says a new planetary model may explain why we have not found aliens yet, arguing that most small rocky ...

Beyond his celebrated film roles, Keanu Reeves finds profound inspiration in literature. His reading habits reveal a deep curiosity about human nature, identity, and the universal struggles that shape ...

Could Martian mudstones be holding evidence of ancient microbes? New findings strengthen the case that the Red Planet once ...

In September 2025, NASA announced that its Perseverance rover had discovered a potential biosignature, which is a substance or structure that might have a biological origin. A new paper, published in ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Making Mars Earthlike is not impossible in principle, but the scale of mass, heat, oxygen, and energy required makes it far beyond current capability.