The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...

The Andromeda galaxy is surrounded by a constellation of ... reminiscent of planets orbiting the Sun. The coexistence of such a plane of satellite galaxies and a lopsided satellite distribution ...

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April is also a good month for galaxy-watching with the help of a telescope, including the Andromeda Galaxy ... which orbits the sun every 415 years. The streaks of light appear to originate ...

For the best chance of watching the spectacular northern lights, many head to areas around the Arctic, such as Norway, ...

Looking for a really big story, I naturally headed for "Galaxies in Collision." Bradley Whitmore of the Space Telescope Science Institute in Baltimore brought us up to speed. We've known for a ...

The attack on NASA is particularly focused on research into climate change and continues the trend, under both Republicans ...