The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be ...

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

NASA has confirmed that a mysterious object hurtling towards us is an "interstellar object" that has entered the Solar System ...

For years, scientists have been scanning the icy outskirts of our Solar System for an unknown massive planet. The ...

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

An interstellar object called 3I/ATLAS is now moving through our solar system, the third one we've seen in the last eight ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien life in the glow of a distant planet. Other scientists were quick to ...

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

This intriguing object was first spotted by the ATLAS (Asteroid Terrestrial-impact Last Alert System) telescopes in Rio ...