Scientists have spotted a new kind of signal in space- four strange, circular objects. Three are particularly bright around their edges, like rings, or bubbles. And they have no idea what they are.

There's something unusual lurking out in the depths of space: Astronomers have discovered four faint objects that at radio wavelengths are highly circular and brighter along their edges. And they're ...

A paper on the objects titled "MeerKAT uncovers the physics of an Odd Radio Circle" has been accepted for publication into the Monthly Notices of the Royal Astronomical Society. The mysterious glowing ...

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Add Yahoo as a preferred source to see more of our stories on Google. Some of the objects captured by ASKAP. Author provided Radio astronomers see what the naked eye can’t. As we study the sky with ...

Australian astronomers have detected a series of inexplicable signals that they believe could be “a new class of astronomical object.” A team of international researchers at the Australian Square ...