Our cosmic home, the solar system, contains incredible planets and magnificent celestial objects, all held together with the ...

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

July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the sky ...

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

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

Finding planets that could potentially be home to life isn’t very easy, but researchers from Switzerland have created an AI ...

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

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

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...