Andromeda has been forming fewer stars for about 500 million years, with an especially sharp drop recently. ・Most of the ...

Star formation in the nearby Andromeda Galaxy (M31) has been slowing down over the last 500 million years, according to a new study using Hubble Space Telescope data. The study was published July 27, ...

A Hubble Space Telescope optical image of our nearest neighbor galaxy, Andromeda (M31), with an inset X-ray image of the active center made with the XMM-Newton observatory. The newly discovered ...

What’s the farthest object you can see with only your eyes? Unless you live under extremely dark skies unspoiled by light pollution, the answer is the Andromeda Galaxy (M31), located some 2.5 million ...

Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and Small Magellanic Clouds. The evidence is a stream of gas called the ...

M31, the Andromeda Galaxy, with its companion galaxies, M32 (below) and M110 (aka NGC 205, above), framed to include the blue star Nu Andromedae at left, usually used as the star hopping guide star to ...

How many times has someone asked you, “What’s the farthest thing you can see with your eyes?” Me? I’ve long lost track. But my stock answer is always the same, the Andromeda Galaxy (M31). Unless you ...

A stunning image of M31 has now been captured. M31, also known as the Andromeda Galaxy, is the spiral galaxy nearest to our own Milky Way Galaxy, 2.5 million light years from Earth. It is one of the ...

A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way's large neighboring galaxy. The new study, published in Astronomy & Astrophysics suggests that the ...

Go into your backyard about 20:30 p.m. EST or thereabouts this weekend and you can see the most incredible thing – the Andromeda Galaxy – one of the farthest objects visible to the naked eye. If you ...