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

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

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

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

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

By Will Dunham WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the ...

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

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

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 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.