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

NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

Astronomers have announced the discovery of what appears to be an "ice cold Earth," a chilly but potentially habitable rocky ...

A newly identified Earth-sized exoplanet with a year-long orbit may lie near its star’s habitable zone, but extreme cold could limit its chances of hosting liquid water.

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

The similarities are astonishing. And yet... The post NASA Telescope Discovers Nearby Planet With Deep Similarities to Earth ...

Astronomers have identified a new chilly Earth-like planet Up Next. How do UK weather warnings work? Video, 00:01:47How do UK ...

Astronomers have discovered a potentially habitable new planet which is estimated to be 6 percent larger than Earth. Named HD 137010 b, the planet is located about 146 light-away from Earth ...

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere. In exciting new JWST observations, the Earth-sized exoplanet TRAPPIST-1e ...

The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. A new study led ...

CAPE CANAVERAL, Fla. -- Earth-like worlds may be closer and more plentiful than anyone imagined. Astronomers reported Wednesday that the nearest Earth-like planet may be just 13 light-years away -- or ...