The Andromeda Galaxy, our closest galactic neighbor, just 2.5 million light-years away, has long captivated astronomers with ...

The universe is far bigger and more interconnected than we can truly comprehend. Its scale is mind-bending. Driving around ...

Andromeda is about 260,000 light-years wide, according to NASA, making it the largest galaxy in the Local Group.However, its mass is roughly comparable to or even less than that of the Milky Way ...

Astronomers predict that our home galaxy and the nearest major galaxy to it, Andromeda (2.5 million light-years away), will collide and eventually merge between 3.9 billion and 5.6 billion years ...

Andrew McCarthy has made quite the name for himself over the past few years, revealing detailed shots of the lunar surface, the sun, and even some of our solar system’s planets, like Saturn.

Solar systems will orbit around the galaxy's core — just like our system completes an orbit around the Milky Way every 240 million years —and aren't pulled into one another as galaxies merge.

The spiral Andromeda galaxy is our closest neighbor, sitting 2.5 million light-years away. The consensus was that after circling ever closer for billions of years, the two galaxies would collide. News ...

Andromeda and the Milky Way are expected to merge into a huge elliptical galaxy dubbed "Milkdromeda," though the jury is still out on how this will impact our Solar System. 5 ...

"Curiously, studies have found that several of the Andromeda Galaxy’s dwarf galaxies, including Andromeda III, orbit in a flat plane around the galaxy, like the planets in our solar system orbit ...

A new European study out Monday throws into question conventional wisdom that the Milky Way and Andromeda galaxies are on a collision course that will take out our galaxy and the solar system with it.

“This type of galaxy was only discoverable around one system, the Milky Way, in the past,” Bell said. “Now we’re able to look at one around Andromeda and it’s the first time we’ve done ...