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

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

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 ...

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 ...

"In our solar system, the most massive moon is Ganymede, which is still extremely small compared to what we are inferring ...

"A strong magnetic field is very important for life on a planet." ...

Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP-121b for an entire orbit with the James Webb Space Telescope. Instead of a ...

Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...

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.

Scientists analyzing old data from NASA's Kepler Space Telescope have discovered an Earth-size exoplanet candidate that looks ...