Artist’s impression of a white dwarf star orbiting a pulsar and producing a gravitational time delay.
Carl Knox / Swinburne / OzGrav
Neutron stars contain some of the universe’s most exotic states of matter – but there’s no easy way to peek inside.
Shutterstock
A slowly flickering source of radio waves that changes over time might be a neutron star or a white dwarf – but its behaviour doesn’t quite fit any of our theories.
Some of the satellite dishes that make up the MeerKAT.
South African Radio Astronomy Observatory (SARAO)
MeerKAT has made remarkable contributions to South African and international science.
Artist’s impression of a magnetar.
Carl Knox, OzGrav/Swinburne University of Technology
Astronomers caught the bizarre ‘awakening’ of an incredibly rare magnetic star.
Gas detected by MeerKAT (white contours) on top of a three-colour optical image from the DECaLS DR10 survey.
Glowacki et al. 2024.
An attempt to study gas in one galaxy with the MeerKAT radio telescope detected 49 other galaxies instead.
The dark, far side of the Moon is the perfect place to conduct radio astronomy.
AP Photo/Rick Bowmer
Projects under NASA’s CLPS program – including the Odysseus lander that made it to the lunar surface – will probe unexplored questions about the universe’s formation.
An artist’s impression of the the NGC 1851E binary system, looking over the shoulder of the dark mystery companion star.
MPIfR; Daniëlle Futselaar (artsource.nl)
It’s too heavy to be a neutron star and too light to be a black hole. So what is it?
The Australian Square Kilometre Array Pathfinder in the Western Australian desert.
CSIRO
Do all big black holes in very massive galaxies emit radio waves? We used the latest radio telescopes to find out.
Nasa
Previous searches for extraterrestrial life have included only the radio band above 600 MHz, leaving lower frequencies virtually unexplored.
Artist’s impression of a record-breaking Fast Radio Burst, passing from a distant host galaxy to the Milky Way.
ESO/M. Kornmesser
A record-breaking discovery of an extreme ‘fast radio burst’ opens a window into the early universe.
NOIRLab
Starlink satellites emit bright, unintended and unexpected signals that can be detected by radio telescopes.
Jayanne English (U. Manitoba) / N. Deg (Queen’s U.) / The WALLABY team / CSIRO / ASKAP / NAOJ / Subaru Telescope
New ASKAP images reveal a giant hydrogen ring around the spiral galaxy NGC 4632.
The International Centre for Radio Astronomy Research
Astronomers have detected a long-running source of slow, repeating radio pulses that can’t be explained by current theories – but it’s probably not aliens.
Composite: Chuck Carter / Gregg Hallinan (Caltech) and Philippe Donn (Pexels)
Astronomers have detected the coldest star ever found to emit radio waves using the Australian SKA Pathfinder telescope.
Black holes and other massive objects create ripples in spacetime when they merge.
Victor de Schwanburg/Science Photo Library via Getty Images
Astronomers have for the first time detected the background hum of gravitational waves likely caused by merging black holes.
ESA/Webb, NASA & CSA, A. Martel
The darkness of the night sky seems so obvious as to need no explanation – yet it has intrigued and baffled scientists for centuries.
Adam Makarenko/W. M. Keck Observatory
Our Sun will likely go out quietly – but not all such stars do. A new radio detection of a supernova can help us better understand these cosmic cataclysms.
Earth seen from orbit around the Moon.
Nasa
The accumulated radio emission from mobile phones on Earth is beginning to become quite significant.
Shutterstock
Magnetic fields billions of light years away offer clues to the nature of intense flashes from the sky known as fast radio bursts.
The far side of the Moon is an attractive place to carry out astronomy.
NASA / Ernie Wright
The current race to the Moon is opening up opportunities for lunar astronomy.