The Andromeda galaxy, our closest spiral neighbor to the Milky Way, becomes prominently visible in the night sky during October 2025, making it an ideal month for stargazers to observe this stunning ...

Late October presents a perfect opportunity to spot the ancient light of the Andromeda galaxy as it climbs high overhead to brighten the autumn night sky. The Andromeda Galaxy (M31), the Milky Way's ...

Historically, the Andromeda Galaxy (M31) was a subject of extensive debate, initially considered a "nebulous smear" and later central to the "island universe" hypothesis proposing its status as an ...

A galaxy 2.5 million light-years away can be seen in Massachusetts. The best times to see the Andromeda Galaxy might be in late September and early October. This is when the Andromeda galaxy can be ...

Get ready to witness our cosmic neighbor like never before! :milky_way: Astrophotographer Ronald Brecher spent 38 hours capturing an unbelievably detailed image of the Andromeda Galaxy, located 2.5 ...

California Gov. Gavin Newsom's attempt to block authorities from wearing masks during immigration enforcement operations is facing legal scrutiny as critics push back on the governor's effort to ...

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, and then created a music video by converting the light in those images to ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Even a century after Edward Hubble confirmed its existence ...

In this combination of images from NASA/ESA shows three future scenarios for Milky Way & Andromeda encounter. Top left: Galaxies bypass at 1 million light-year separation. Top right: At 500,000 ...

Andromeda, the nearest galaxy of a size similar to the Milky Way’s, has long been thought to be on course to collide and merge with our Galaxy in roughly four billion years. But some researchers now ...

Rachel Feltman: Happy Monday, listeners! For Scientific American’s Science Quickly, I’m Rachel Feltman. Let’s kick off the week with a quick roundup of some science news you may have missed. You’ve ...

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 become ...