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Articles on Radio astronomy

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The two giant radio galaxies found with the MeerKAT telescope. In the background is the sky as seen in optical light. Overlaid in red is the radio light from the enormous radio galaxies, as seen by MeerKAT. I. Heywood (Oxford/Rhodes/SARAO)

Discovery of two new giant radio galaxies offers fresh insights into the universe

Based on what we currently know about the density of giant radio galaxies in the sky, the probability of finding two of them in this region is extremely small.
Artist’s depiction of a flare-coronal mass ejection event on Proxima Centauri. Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav)

Bad space weather may make life impossible near Proxima Centauri

We observed a powerful flare and a huge burst of radio waves from our nearest stellar neighbour, Proxima Centauri, indicating violent space weather around the star.

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