There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

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

This image from the Hubble Space Telescope shows the massive galaxy cluster Abell 1351, located in the constellation Ursa ...

In a rare astronomical event, astronomers have confirmed the passage of an interstellar object through our solar system.

It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its ...

It currently sits around 420 million miles (or 670 million kilometres) from Earth. Astronomers have since confirmed its ...

Astronomers have confirmed the third interstellar object, 3I/ATLAS, speeding towards the Sun at 60 km/s. Classified on July 2 ...

Spot overlapping meteor showers this month, along with the Moon sharing the sky with some of the brightest planets.

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

From Mercury’s peak visibility to the Southern delta Aquariids meteor shower, July’s skywatching lineup promises an array of ...