A mystery alien object that has come from interstellar space has been ­spotted travelling through the solar system. The object, thought to be about 20km in diameter, is likely to be a comet or ...

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 ...

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

Zooming in on 78 disks in the Ophiuchus star-forming region, scientists saw hitherto undiscovered structures around young ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

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

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

An object that appears to be from beyond our Solar System has been spotted hurtling towards the Sun, which if confirmed would ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

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

CAPE CANAVERAL, Fla. — Astronomers are monitoring an object headed our way that may have wandered over from another star system. Scientists have discovered what might be only the third known ...