It's made of rock instead of gas, is around 48 light-years away, and there is also a second planet in the system. The post ...

Astronomers have identified what they say is the first confirmed atmosphere surrounding a rocky planet inside a habitable ...

The planet LHS 1140 b lies in its star’s habitable zone, which already made it a prime candidate as a possible host for life ...

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Red and white dwarfs may turn out to be the most promising objects for searching for hypothetical Dyson spheres, systems ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Interstellar asteroid Oumuamua arriving from Pleiades star cluster. Oumuamua 3D model: Credit: ESO/M. Kornmesse According to NASA, ‘Oumuamua is the first known interstellar object to visit our solar ...

An international team of astronomers reports the discovery of a new exoplanet orbiting a sunlike star as part of the Next ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.