A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...

Kilonova explosions from neutron star collisions may damage atmospheres and threaten life if nearby, according to a new study ...

If dark matter is creating positrons in the CMZ, those particles will eventually slow down and eventually annihilate with electrons in the environment, producing gamma-rays at exactly 511keV energy.

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...

A 40-year-old space enigma has been unraveled: a white dwarf star at the center of the Helix Nebula has been annihilating a ...

The European Space Agency's XMM-Newton is playing a crucial role in investigating the longest and most energetic bursts of ...

The "cosmic pinwheel" that astronomers feared could one day shower Earth with lethal gamma rays may ... hot stars locked in a binary orbit, located roughly 8,000 light-years from Earth in the ...

On Twin Peaks's 35th anniversary, Ray Wise (Leland) reflects on its cultural significance — and how he found out who killed Laura Palmer.

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth. And what they’ve documented challenges prevailing theories about black hole ...

Following the announcement of the alien planet, it didn't take long for hilarious memes to pop up across social media.

Scientists have observed a previously inactive supermassive black hole producing regular, powerful X-ray eruptions that ...