A new X-ray look at the mesmerizing Helix Nebula reveals an alleged planet killer: a white dwarf that might be the source of strange emissions from the nebula. The Helix Nebula, also known as Caldwell ...

NASA has released a breathtaking image of the Helix Nebula, offering unprecedented clarity and detail into the final stages of stellar evolution. Captured using advanced imaging technologies, this new ...

Astronomers report an unprecedented elongated double helix nebula near the center of our Milky Way galaxy, using observations from NASA’s Spitzer Space Telescope. The part of the nebula the ...

A bunch of rowdy comets are colliding and kicking up dust around a dead star, according to new observations from NASA’s Spitzer Space Telescope. The dead star lies at the center of the ...

The decades-long mystery of a never-ending explosion of X-rays around the remains of a dead star may have finally been solved. The radiation probably originates from the scorching-hot wreckage left ...

Since they were first detected over four decades ago, unusually powerful x-ray emissions originating from the site of a dying star called the Helix Nebula have proved an enigma to astronomers. “We ...