What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

(CNN) — 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 ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

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 team discovered that the surface might contain liquid water, an essential ingredient for life. Astronomers from the, Irvine have discovered a planet orbiting within the “habitable zone” of its ...

Researchers have discovered four Earth-like rocky planets orbiting Barnard’s Star using advanced telescopes. These planets ...

Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

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 ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...