Astronomers have discovered a flattened structure of matter around the Milky Way that explains the unusual motion of nearby ...
Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun.
A new study suggests the Sun moved outward with many similar stars during a large Milky Way migration event long ago.
A groundbreaking study in galactic archaeology proves the Sun made a treacherous journey to reach its current home in the ...
Astronomers have found that both the core of our Milky Way and the earliest proto-galaxies in the universe share a surprising ...
The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about ...
The European Space Agency’s Gaia space telescope spent more than a decade mapping the Milky Way, collecting over 3 trillion ...
The Milky Way isn't just drifting through a giant void in space untethered, but is embedded in a sheet of dark matter like a ...
Astronomers trace the Small Magellanic Cloud’s unusual stellar motions to a past cosmic encounter.
A team of amateur citizen scientists have made a significant discovery. They found huge gigantic radio circles in the deepest ...
As 3I/ATLAS passes near the sun, methanol gas glows blue, mixed with icy dust grains, while the far side of the comet glows ...