The ability to detect ocean glint on other worlds could be invaluable in the search for life.

The upcoming Habitable Worlds Observatory should be able to spot the glint of water on habitable planets, and maybe more ...

Despite this object lesson right on our interplanetary doorstep, the “Earth-like” term endures. Even if we expand what we mean by the phrase—which admittedly has no consensus definition, though ...

Dust made up of similar stuff as the Earth has been found in and around a handful of dead stars. The dust, which was left behind when the stars chewed up errant asteroids, suggests terrestrial planets ...

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...

Snaiad is a speculative alien world containing more than 200 lifeforms spread across dozens of evolutionary lineages.

NASA scientists are exploring a billion‑dollar 'starshade' to create artificial eclipses in space and expose faint Earth‑like ...