The detection of the special radio wavelength from the most distant galaxy means astronomers may be ready to investigate how the earliest stars form. When you purchase through links on our site, we ...

Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

The story begins in 1906 with Reginald Aubrey Fessenden. On December 24 that year, he made the first known radio broadcast meant for a general audience. Instead of Morse code, listeners heard music ...

Ziteng Wang found a needle in an astronomical haystack. Wang, a physics PhD student at the University of Sydney, was combing through data from Australia's ASKAP radio telescope in late 2020. His ...

There’s no *69 option for this long-distance call. A newly discovered, yet still mysterious radio signal from the far reaches of space that repeats itself hourly is perplexing scientists. The ...

Astronomers discovered the TRAPPIST-1 system, a family of tightly packed planets swarming a red dwarf star, about eight years ago. Credit: Mark Garlick / Science Photo Library / Getty Images ...

Astronomers have detected a radio signal in our galaxy that blares for several minutes at a time, every 21 minutes, and has been doing so for at least 35 years. This bizarre signal doesn’t fit the ...