The mission is still in the early stages of its conception, with contracts given recently to firms.

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

There might be many more planets that could be home to aliens than we thought, according to a new study. For years, scientists have searched for life in the "habitable" or "goldilocks" zone – where it ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...

WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...