If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

For decades, Europa has been the optimistic counterpoint to a lonely solar system, a small icy world that seemed to tick ...

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

In what is now approaching an honest-to-goodness tradition, below we've put together our list of the many games we're most ...

August 10, 2025 • As the postwar international order continues to evolve, NPR explores its past and the present and asks what the future may look like. January 9, 2026 • A new NPR/Ipsos poll found ...