Q How many galaxies are in the universe? — Gus Powvens, Madison, Wis. A Jim Lattis, director of the UW Space Place at the University of Wisconsin-Madison: Galaxies are clouds of stars that range in ...

A team of astronomers from the International Center for Radio Astronomy Research (ICRAR) has released new data from an ...

Astronomers believe there are about 100 billion stars in the Milky Way. But, this number of stars depends on various factors. To figure out how many stars are in the Milky Way, astronomers have to ...

Using the James Webb Space Telescope (JWST), scientists found that many galaxies started as thick discs before forming the thin discs we see now. This discovery helps answer a long-standing mystery ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

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

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

Galaxies are clouds of stars that range in both size and composition. Some contain hundreds of millions of stars while the largest galaxies can contain trillions of stars. And while it’s not entirely ...