JWST lacks the precision to detect life on exoplanets, and this new telescope aims to change that.

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a more surprising possibility: giant moons circling massive worlds may offer ...

In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.