Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

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Telescopes allow scientists to analyze starlight passing through distant planets’ atmospheres, revealing clues about their ...

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

Recently two new observatories — NASA's SPHEREx and the Vera C Rubin Observatory — released their first images.