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

Among the most prevalent stars in our galaxy are red dwarfs, M-dwarf stars that are smaller and cooler than our Sun. The majority of them possess at least one rocky planet of comparable size ...

— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...

Could an ocean – likely needed to sustain life – even survive on a planet orbiting close to a dead star? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

Astronomers are on a constant search for life out in the universe and a big part of that search is finding planets where life can even form. But for a while scientists have been getting repeating ...

Temperatures on the planet could make water theoretically possible. Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named TRAPPIST-1 e, ...