Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

It appears our solar system is getting more popular with out-of-towners. Astronomers may have found a third interstellar ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

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