For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...

If you were hoping we’d find alien life hanging out on a cozy, pint-sized planet anytime soon, then you should know that ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone and renewing interest in its potential to host alien life.

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, raising the chances that it has the conditions to support life.

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets around other sun-like stars,” according to NASA’s website.

A Durham University survey reveals 86% of astrobiologists believe alien life likely exists, despite no confirmed evidence.

Astro Brief is a podcast collaboration between KSMU, the Missouri Space Grant, and MSU's Department of Physics, Astronomy and ...

Little green men on alien planets may be discovered even once they have died out, especially if their demise was sudden. So suggests a model of our world after the sun becomes a red giant. Earth’s ...