Astronomers have identified a newly discovered exoplanet that may orbit within the outer edge of its star's habitable zone, raising fresh questions about how common potentially life-supporting worlds ...

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

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that ...

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.

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Astronomers have detected an exoplanet candidate around a Sun-like star just 146 light-years away from us.

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

The supposed "strange signals" were not mysterious at all, but commonly observed transit signals, according to NASA.

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...