For all our technological progress, humanity remains confined to a single planet. But that may not always be the case. Over ...

The search for another Earth has led astronomers to discover incredible planets far beyond our solar system. Some share striking similarities with our own world, raising the possibility of life. This ...

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 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 ...

In a landmark achievement, the James Webb Space Telescope has discovered its first exoplanet. About the same mass as Saturn, it was found in a star system about 111 light-years distant. It’s also the ...

Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Scientists are observing an Earth-like exoplanet that may contain water using NASA's James Webb Space Telescope, the space agency said in a news release. The exoplanet, known as TRAPPIST-1 e, orbits ...

A rocky planet similar to Earth may be orbiting one of our nearest stellar neighbors and could be detected using existing techniques, according to a new study led by astronomers at the University of ...

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, ...