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

The comet-like body, designated 3I/ATLAS, is hurtling towards the Sun at a speed of over 60 kilometres per second ...

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

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

Oumuamua stunned scientists as the interstellar object entered and then exited the solar system, something previously ...

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

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

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

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

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

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

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