Astronomers using the MeerKAT telescope discovered a hydroxyl megamaser in a galactic merger 8 billion light-years away, amplified by gravitational lensing and operating at radio wavelengths.

The radio waves we see from pulsars have a mysterious glitch – but now we know the ingredients that must be present in the heart of these ultra-dense stellar corpses to give their emissions a hiccup.

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an art piece that ...