In a groundbreaking study published in The Astrophysical Journal, astronomers have discovered high-velocity gas clouds near ...

Astronomers have captured a stunning, detailed image of the nearby Sculptor galaxy, spanning an impressive 65,000 light years ...

Unusually fast-moving gas clouds near a nearby galaxy suggest they may have come from outside the galaxy. Scientists have ...

The spiral galaxy NGC 6946 in Cygnus has seen 10 supernovae in the past century, earning it the nickname the Fireworks Galaxy ...

Early Spiral Galaxy Captured for the First Time Using Gravitational Lenses . For the first time ever, scientists have ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Alternative to fireworks? Stargazers could instead catch a cosmic light show this Fourth of July weekend when the Milky Way ...

Arizona is an ideal spot to see the Milky Way thanks to its numerous dark-sky places. Here's the best time to see - and ...

Galaxies shine in a rainbow of emissions from gas, dust, and stars. Each of these building blocks emits light at specific ...

Locations of HVCs. Multiple images like this, made by radioastronomy, allowed researchers to measure the velocities of small ...

“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...