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

Since the 1980s, a strange X-ray emission has puzzled astronomers. At the heart of the Helix Nebula, a dying star may have ...

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

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

The Helix Nebula is an eye-catching sight in the sky – and not just because it looks like a giant eye. Located about 655 light-years from Earth, it’s the site of a slow-motion explosion ...

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

X-ray missions have picked up an unusual reading from the center of the Helix Nebula. Using today's most powerful X-ray missions, NASA's Chandra X-ray Observatory and ESA's (European Space Agency ...

Space scientists say they have located a planet ... X-ray missions have picked up an unusual reading from the center of the Helix Nebula. Using today’s most powerful X-ray missions they now ...

sculpting the nebula. A huge bipolar outflow of gas and dust, grown from the tumultuous birth of a double-star system, has formed a cosmic hourglass — and the James Webb Space Telescope imaged ...