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 ...

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

Ack! Ack! IGN can exclusively reveal that director Tim Burton’s cult classic alien invasion comedy Mars Attacks! will get a ...

Researchers from the University of Oxford have uncovered evidence that Mars once hosted enormous, Earth-like magmatic systems ...

Data from NASA’s Perseverance rover confirms the presence of macromolecular carbon on Mars – another potential piece of the ...

After more than five years of roaming the desolate and dusty landscapes of the Martian surface, NASA’s Perseverance rover has come across some of the most intriguing evidence yet of ancient microbial ...

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 ...

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

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...