This exoplanet transit shows background stars that could be biasing calculations of the exoplanet's size. Credit: Nikolai Berman/UC Irvine New research suggests that scientists (and their computer ...

NASA's Transiting Exoplanet Survey Satellite (TESS) has discovered an extraordinary planet that's roughly the size of Earth but is only one-tenth of our planet's age, with half of its surface likely ...

European astronomers report the discovery of a second alien world in the TOI-1422 planetary system located some 500 light ...

An artist's rendering of HD 219134b, another "local" Earth-sized exoplanet that could be similar to the newly discovered world K2-415b. Look out, everyone: There's a new exoplanet in town. An ...

A star's magnetic field must be considered in order to correctly determine the characteristics of exoplanets from observations by space telescopes such as Kepler, James Webb, or PLATO. Researchers ...

Astronomers have discovered an unusual Earth-sized exoplanet they believe has a hemisphere of molten lava, with its other hemisphere tidally locked in perpetual darkness. Co-authors and study leaders ...

In this study, we investigated the differences between four commonly-used exoplanet catalogs (exoplanet.eu; exoplanetarchive.ipac.caltech.edu; openexoplanetcatalogue.com; exoplanets.org) using a ...

Water vapor has been detected in the atmosphere of a Neptune-size exoplanet about 150 light-years from Earth, according to research presented Thursday by astronomers at the University of Kansas. The ...

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From the brightness variations of its host star, an exoplanet’s size and other properties can be determined. In order to avoid mistakes, the star’s magnetic field is decisive 700 light years away from ...