The solar system lies embedded within a sparse region of the interstellar medium 1000 lyr across, known as the local bubble.

On the 27th of August, the Asteroid Terrestrial-impact Last Alert System (ATLAS), observing from Sutherland, South Africa, captured data on asteroid 2024-PT5.

A significant challenge in modelling the early solar system is explaining the presence of liquid water on Earth.

The International Telecommunication Union - Radiocommunication sector (ITU-R) is the global body responsible for radio-frequency spectrum allocations and satellite orbit regulations.