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

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

A cosmic body from another star system has entered Earth and is the largest one ever seen. In the previous decade, two other ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

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

Astronomers have confirmed the presence of a rare interstellar object, named 3I/Atlas, currently traversing our solar system.

The object was first noticed by NASA's Asteroid Terrestrial-impact Last Alert System (ATLAS), with further observations ...

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