Galaxy clusters are the largest gravitationally bound structures in the universe, with each containing hundreds or even thousands of galaxies. When two of these giants collide, they send powerful ...

This is a human-written story voiced by AI. Got feedback? Take our survey. (See our AI policy here.) A ribbon of red splotches interspersed with blue dots marks the largest, most detailed image of the ...

Israel’s defence minister said on Wednesday that he plans to shut down the publicly funded Army Radio station, in what he described as an attempt to preserve the military’s non-partisan character.

Looking up at the sky just after sunset or just before sunrise will reveal a fairly staggering amount of satellites orbiting overhead, from tiny cubesats to the International Space Station. Of course ...

The Hitchhiker’s Guide to the Galaxy is one of the most influential stories ever told. It’s a satire, a comedy, a science-fiction epic, a work of philosophy and so much else. Douglas Adams, who I was ...

On the left side is the centre of the Milky Way in radio colour. On the right is the same area of sky as seen in visible light.