Third-ever confirmed visitor, dubbed 3I/Atlas and hurtling at 60 kilometers per second after likely being formed in distant ...

Scientists using NASA's Transiting Exoplanet Survey Satellite (TESS) discovered an exoplanet, which NASA defines as “any ...

Scientists have discovered that Earth could have at least six minimoons that we never knew existed. A minimoon is a small ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system. Preliminary observations suggest it came from interstellar space, and if confirmed, ...

A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...

The exoplanet, Kepler-725c, has 10 times the mass of Earth and is located in the habitable zone of the sun-like star Kepler-725. The discovery is published in Nature Astronomy.

Newly discovered Earth-size planet TOI 700 e orbits within the habitable zone of its star in this illustration. Its Earth-size sibling, TOI 700 d, can be seen in the distance.

An international research team led by the Yunnan Astronomical Observatory of the Chinese Academy of Sciences announced the discovery of a “super-Earth,” offering fresh clues in the search for ...