NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, ...

Created as a tribute to dark matter pioneer Vera Rubin, the image was created with the aid of a vast array of telescopes.

Take a deep breath: the universe is not just big it’s mind-bogglingly, practically scandalously huge. And it’s growing. A ...

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

Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space ...

Learn about the new research that changes the estimates of the Milky Way’s demise.

The Whirlpool Galaxy (M51), 31 million light-years away, showcases spiral arms, pink star-forming regions, and blue star ...

Scientists have long thought the Milky Way galaxy would someday collide with its closest neighbor, Andromeda. However, new ...

For more than a century, astronomers have watched the Andromeda galaxy, a massive swirl of neighboring stars, speed toward the Milky Way. And in recent years, measurements using the Hubble Space ...

For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has ...

New study finds that the Milky Way has a 50-50 chance of colliding with neighboring galaxy Andromeda. ... Theory based on data from Hubble Space Telescope and Gaia star-tracking mission ...