Oxygen on exoplanets can be the result of simple chemical processes rather than biological ones.

These three exoplanets are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

A hazy, ultra-light “super-puff” planet, Kepler-51d, is hiding its secrets and challenging how scientists understand planet formation.

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

The idea uses a "starshade" to let astronomers find Earth-like exoplanets, even with existing ground-based telescopes.

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

Scientists have identified 45 Earth-like exoplanets that are the strongest known candidates for hosting extraterrestrial life.

The film which opens in theaters Thursday is grounded in a real nearby star systems an exoplanet science, with a dose of fictional biology.

A distant Sun-like star began dimming unpredictably, prompting astronomers to investigate what was blocking its light.