A class of University of Texas astronomy students has discovered that nearby dwarf galaxy Segue-1 seems to host a ...

This is only the third interstellar comet scientists have observed. Its extreme brightening, unusual composition, and intense ...

Although it's smaller than a planet, Chiron could be a natural laboratory for learning about how ring systems form, change, ...

Comet 3I/ATLAS, only the third known visitor from beyond our Solar System, has been brightening far more rapidly than expected as it approaches perihelion, its closest point to the Sun.

Astronomers discover a 3-billion-year-old white dwarf, LSPM J0207+3331, actively accumulationplanetary material long after its star’s death, revealing ongoing dynamics in ancient stellar remnants.

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

Meng Dezhao, a Ph.D. student from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences, together with his ...

More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping ...

If an alien species were to visit Earth, Pope Leo's newly appointed astronomer -- Father Richard D'Souza -- would welcome the ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...