Topic: Andromeda Galaxy - CSMonitor.com

Colossal hydrogen bridge between galaxies could be fuel line for new stars

Researchers studying a filament of hydrogen between the Andromeda and Triangulum galaxies found rotating clumps of gas the size of dwarf galaxies. But questions remain.

What's going on around Andromeda? Curious structure puzzles scientists.

Galactic slam: Milky Way to hit nearby galaxy – in 4 billion years (+video)

Dwarf galaxies: breakthrough in bid to find 'fossils' of early universe

In Pictures Space photos of the day: Mergers and acquisitions

In Pictures Space photos of the day - WISE photographs

In Pictures Space photos of the day 09/16

In Pictures Space photos of the day 09/10

In Pictures Space photos of the day 08/16

Cosmic hit-and-run leaves massive trail of stars

We even talk like we're from space

Hubble Telescope turns 20! Here's 10 space targets you can spot without the Hubble.

New findings on dark energy back discarded Einstein theory

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Milky Way spins faster, has more heft than astronomers thought

New light on dark energy

Jupiter's leaving - but Venus and the moon will meet again soon!