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.

"Measurements of two mudstones show hundreds of organic detections, making this the most robust organic detection in Jezero ...

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

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

This is the first evidence that the mineral garnet may have been formed within the crust of Mars itself, heralding clues to ...

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

Deep beneath the Atlantic, an alien-like lost city of towering chimneys offers clues to life on Earth and other worlds.

In a recent revelation that could reshape our understanding of space and the potential for extraterrestrial life, NASA has released data suggesting the presence of artificial structures on the moon.