Detecting exoplanets is one thing, but imaging them is another thing entirely. Astronomers can detect them by the way they ...

Astronomers searched the skies for decades for signs of extraterrestrial life, but in 2023, a Harvard mission looked down, diving a mile into the ocean floor to pursue the vestige of an enigmatic ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

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

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

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 object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

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

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.

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