The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.

In addition to telling the turbulent history of the Andromeda Galaxy, the mosaic will now allow astronomers to better understand our similarly spiraled Milky Way. Without Andromeda as a proxy for ...

Sea-based launches are hitting their stride. That could lead to a lot more space missions with a lot less red tape.

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble Space Telescope to capture hundreds of detailed images of our vast galactic ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

The mosaic image is made up of at least 2.5 billion ... which resembles the stripped-down core of a once-spiral galaxy that may have interacted with Andromeda in the past. Computer simulations ...

This mosaic took over 10 years to create ... A century ago, astronomer Edwin Hubble first established that this so-called "spiral nebula" was approximately 2.5 million light years away from ...

The mosaic image is made up of at least 2.5 billion ... which resembles the stripped-down core of a once-spiral galaxy that may have interacted with Andromeda in the past. Computer simulations ...

This effort resulted in a mosaic composed of at least 2.5 billion ... a transitional type of galaxy that's between a star-forming spiral and a sort of elliptical galaxy dominated by aging red ...

"The full mosaic was carried out under two Hubble programs ... This cosmic proximity allows us to understand our own spiral galaxy, on which we occupy a spot on one of the spiral arms.