In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

— -- 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 ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

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 ...

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.

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, if more detailed analyses verify preliminary observations from the James Webb ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers have detected four small exoplanets orbiting closely around Barnard's Star. This ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

About a decade ago the American space agency seriously started considering a series of telescopes dedicated to finding definitive proof of life on worlds located in other solar systems. It did so by ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...