This is only the third time that a celestial body from outside the solar system has been discovered. Months remain for the ...

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

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

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

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Jupiter isn’t alone in this category; Saturn, Uranus, and Neptune are also gas giants, though Uranus and Neptune are often ...

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the ...

The International Rotation and Reference Systems Service found that July 9, July 22, and August 5 will be victims of the time ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system. The European Space ...

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

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

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...