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 ...

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

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

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

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

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

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

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

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

Mars' innermost moon, Phobos, has long puzzled planetary scientists, who have continually debated whether it's a captured asteroid or formed from debris after a giant impactor struck the Martian ...

Roll20.net is the easy-to-use virtual tabletop that brings pen and paper gaming to the web the right way. Built on a powerful platform of tools, yet elegantly simple, it focuses on enhancing what ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...