Astronomers have been recording the signal for more than four decades, but this is the first time they've nabbed its origin.

"We might have finally found the cause of a mystery that's lasted over 40 years," said researcher Sandino Estrada-Dorado.

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like ...

Astronomers have uncovered a baffling cosmic anomaly — a supermassive black hole in galaxy NGC 5084 that appears to be completely tilted relative to its galaxy’s structure. This discovery, hidden for ...

The research team, led by Steven Dillmann of Stanford University was scouring decades-old data from NASA's Chandra X-ray Observatory when it spotted a powerful (but brief) blast of X-rays coming ...

A brief yet intense X-ray flash, XRT 200515, was detected in NASA's Chandra telescope data from 2000. The signal, originating from the Large Magellanic Cloud, has left scientists debating its cause.

For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...

“We might have finally found the cause of a mystery that’s lasted over 40 years.” The data came from NASA's Chandra X-ray Observatory and the ESA's XMM-Newton. Previously, scientists discovered that a ...

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Illustration of a planet being torn apart by tidal forces from a white dwarf. (Credit: CXC/SAO/M.Weiss) ...

Credit: CXC/SAO/M.Weiss NASA's Chandra X-Ray Observatory has helped track down the origin of a mysterious X-ray signal emanating from deep space. The signal, which scientists have been working to ...