"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient ...

The Sun may have been part of a small group of stars that migrated from the core of our galaxy between 4 and 6 billion years ago.

Astronomers trace the Small Magellanic Cloud’s unusual stellar motions to a past cosmic encounter.

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

Earth is not only orbiting the Sun it is also traveling through the Milky Way on an enormous galactic journey. In this video ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...

A newly discovered star suggests tiny relic galaxies like Pictor II preserved the chemical material created by the universe's ...

Astronomers have discovered a flattened structure of matter around the Milky Way that explains the unusual motion of nearby ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

New observations of L 98-59d, a member of the five-planet system L 98-59, suggest it harbors a vast global magma ocean that ...

A telescope in Chile has revealed the swirling splendor of star-forming gases at the heart of our Milky Way galaxy ...

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the ...