Published in the peer-reviewed The Astrophysical Journal, the research focuses on tidally locked planets, worlds that always ...

Researchers have discovered that chemical reactions in underwater hydrothermal vents could have produced the necessary ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

At the beginning of the exoplanet age, the goals were fairly simple. The first was to find as many of them as possible to ...

A NASA mission has spotted an Earth-size exoplanet orbiting a small star about 100 light-years away. The planet, named TOI 700 e, is likely rocky and 95% the size of our world. The celestial body is ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

— -- 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 ...

Could a recently discovered "super-Earth" have the potential temperature and conditions to sustain life? The new exoplanet is situated "fairly close to us" -- only 137 light-years away -- and orbits ...

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Earth's oxygen-rich atmosphere faces a finite lifespan of about 1.08 billion years before a sharp decline, according to a ...