For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the mysterious interstellar comet 3I/ATLAS. The object was detected on 1 July ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

And when measuring astronomical distances, we do much the same. For instance, one of the most commonly used means of measuring distances across space is known as an Astronomical Unit (AU).

THE world's top astronomical body has endorsed the definition of the Astronomical Unit (AU), a measurement used to calculate the distance between stars and planets.

The world's top astronomical body has endorsed the definition of the "Astronomical Unit" (AU), a measurement used to calculate the distance between stars and planets.

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting the sun—dubbed "Ammonite." The findings were recently published in the ...

- a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers ...

The IAU voted in August to change the definition of the distance, called the astronomical unit (AU), to a plain old number. Before that, the unit had been defined by a roundabout equation that was ...