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

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find ...

Researchers from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences and Columbia University ...

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

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, 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.

NASA has discovered a rare interstellar object named 3I/ATLAS—only the third of its kind ever detected. The comet, which ...

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

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object we've discovered.