Astronomers have made a surprising discovery that challenges current theories of galaxy formation. A colossal disk-shaped ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...

Answer: For near stars, astronomers use a method called parallax. During Earth’s orbit, near stars seem to shift their position against the farther stars. This is called parallax shift. By ...

A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

Cherry Springs, isolated atop its mountain and surrounded by the 265,000-acre Susquehannock State Forest, remained a haven of ...

A major discovery on the outskirts of Andromeda is shaking up our understanding of galactic evolution. Astronomers have found the dimmest and smallest satellite galaxy yet—Andromeda XXXV—forcing them ...

Andromeda XXXV is the smallest and faintest galaxy ever observed Located3 million light-years away, it defies galaxy formation theories Scientists are rethinking how such galaxies survive extreme cond ...

The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...