Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the most powerful space telescope ever made. Astronomers now call them little red ...

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 galaxies.

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 traps sulfur deep inside, forming a previously unrecognized class of ...

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

A new image from the European Southern Observatory reveals a gas cloud orbiting the Milky Way’s central black hole, offering details on its structure and motion.

A new study suggests the Sun moved outward with many similar stars during a large Milky Way migration event long ago.

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of ...

Data from ESA's Gaia mission has been used to create an 3D animated view of the Milky Way galaxy's stellar nurseries. CREDIT European Space Agency (ESA) ACKNOWLEDGEMENTS Animation: ESA/Gaia/DPAC, S.

The Sun has been a powerful source of energy fueling the solar system for billions of years, but our host star may have had rough beginnings. A new study suggests the Sun migrated away from the center ...