This discovery marks the first known case of a compact planetary system with such a noticeable tilt between close planet ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

This artist's concept animation shows the orbital dynamics of KOI-134 system which, in 2025, a paper revealed to have two ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.