When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

"Black holes are so stealthy that this one has been practically under our noses this whole time." ...

Our solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may ...

Gaia unexpectedly discovered a giant exoplanet and a puzzling brown dwarf, challenging planetary formation theories and ...

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.

Han and his colleagues recently studied 21 of these hypervelocity stars at the fringes of the Milky Way. They traced the ...

A study based on the trajectory of nine fast-moving stars observed at the fringes of the Milky Way provides strong evidence ...

This week, based on a genetic study, researchers issued a recommendation that bison in Yellowstone National Park should be ...