This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

The interstellar comet emitted methane, a potential biosignature, as it passed the sun, physicist Avi Loeb says.

Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

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

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

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

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

Vince Gilligan's "Pluribus" is a must-watch series on Apple TV, and it takes cues from some of the best sci-fi movies, like ...