Planets outside our solar system, called exoplanets, are one such marvel since their discovery in the early 1990s. Most of ...

distant of which is more than a million light-years from Earth. That’s almost half the distance to Andromeda. Have you ever seen the Andromeda galaxy? Go outside after dark this month and look ...

But only one galaxy stands out as the most important nearby stellar island to our Milky Way—the magnificent Andromeda galaxy (Messier 31). It can be seen with the naked eye on a very clear ...

The stunning panorama features over 600 overlapping Hubble images that have been painstaking stitched together. Spread across 2.5 billion pixels, you'll find some 200 million stars ...

The Andromeda Galaxy (M31 ... which have extremely strong magnetic fields. Exoplanets are planets that orbit stars outside our solar system. They are challenging to detect but provide valuable ...