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 ...

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

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

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

"A strong magnetic field is very important for life on a planet," study lead Miki Nakajima, an associate professor in the ...

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.

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that it’s only been seen once—and may never be glimpsed again ...

A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.

Worlds that circle stars other than our own are called “exoplanets.” This specific one could be the very first planet like ...

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 Webb ...

A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky has helped scientists uncover something astonishing: planets much like ...