A new study of M31, also known as Andromeda, explains how our cosmic neighbor kills off smaller nearby galaxies.

It wasn’t easy, bringing the stars indoors. The first show, held in Germany in 1925, used grainy footage on a small dome, but was dizzying nonetheless. Now, a whole new future looms.

These young, hot blue stars are members of the Pleiades open star cluster and resides about 430 light-years away in the ...

ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.

Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and ...

Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

A mysterious, high-energy glow from gamma-rays in the Milky Way's center is reigniting the debate: dark matter or a hidden ...

The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found ...

Milky Way stars that are high and low in metallicity have been mapped by the ESA Gaia mission. Credit: ESA/Gaia/DPAC ...

Silverman, Leah. "Astronomers Just Created The Most Detailed 3D-Map Of Our Galaxy Yet." AllThatsInteresting.com, November 14, ...

Learn how NASA’s TESS and ESA’s Gaia missions helped astronomers uncover thousands of hidden stars, revealing that the ...

New data gleaned from the TESS and Gaia star-tracking spacecrafts, astronomers have revealed that this iconic group is part ...