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 ...

One of seven Earth-sized planets, TRAPPIST-1d, caught the attention of NASA researchers and is one of the promising planets ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

Eleven years ago today, NASA made an intriguing announcement. Using the Kepler space telescope, the agency had discovered an exoplanet the size of Earth located in the habitable zone of another star.

A planet's habitability is determined by a confluence of many factors. So far, our explorations of potentially habitable ...

The number of known places in our galaxy theoretically hospitable to life may be significantly greater than previously thought, according to new research. Researchers with Planet Hunters are reporting ...

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 ...

A nearby binary star system is bereft of giant planets, but scientists think it may still be a decent place to look for life.

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but none have passed the threshold and been accepted as confirmed. But they must ...

— -- 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 ...

NASA’s Kepler mission has confirmed its first planet in the “habitable zone,” the region where liquid water could exist on a planet’s surface. Kepler also has discovered more than 1,000 new planet ...

PASADENA, Calif. — NASA’s Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the “habitable zone,” the range of distance from a star where the ...