In this series, we cover provocative questions in astronomy. This week: the mysterious extragalactic signals known as Fast ...

An Australian team has developed CRACO, an innovative radio system that detects cosmic flashes and pulses of energy in real ...

A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien astronomers could also be scanning Earth.

It makes sense not just for a superpower to protect its antennas from the elements, and [saveitforparts] is doing the same with a geodesic dome for his radio telescope experiments. But what effect ...

An unexpected television signal traced to an airplane led to a new method for pinpointing unwanted radio signals, as growing ...

In this undated file photo, the Gemini North Telescope is shown at the Mauna Kea Observatory on the Big Island of Hawaii. The ancient elliptical galaxy where astronomers discovered the radio waves ...

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...

It was first detected in January 2024 by the ASKAP radio telescope in Western Australia and is likely to be a kind of pulsar that has never been seen before. When supermassive stars reach the end ...