Scientists have been receiving X-ray signals from the Helix Nebula for decades, but now they believe it may hide a horrifying ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

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

"The mysterious signal we’ve been seeing could be caused by the debris from the shattered planet falling onto the white dwarf ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

“The mysterious signal we’ve been seeing could be caused by the debris from the shattered planet falling onto the white dwarf’s surface, and being heated to glow in X-rays,” said Martin ...

"The mysterious signal we've been seeing could be caused by the debris from the shattered planet falling onto the white dwarf's surface, and being heated to glow in X-rays," said co-author Martin ...