For decades, a sharp kink in the energy spectrum of particles raining down from space has taunted astrophysicists, hinting at ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

Simulating a billion years using previous best-resolution simulations would take almost 36 years of real computing time.

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation emanating from the ...

A team of researchers has confirmed stars ring loud and clear in a "key" that will harmonize well with the science goals and ...