ASTRONAUTS visiting Mars could unearth a museum of alien fossils that may have belonged to an intelligent civilisation.

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

In 2017, ‘Oumuamua stunned scientists as the interstellar object entered and then exited the solar system, something ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

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

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

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

Astronomers have spotted unusual molecular activity in the largest Oort Cloud comet, comet Bernardinelli-Bernstein (C/2014 ...