Astronomers have narrowed down on the possible location ... Solar System where the elusive planet nine may be hiding, an advance that could shed more light on the evolution of our abode in the ...

That's the Andromeda galaxy, our closest galactic neighbor, and in 4 billion years, it will collide with the Milky Way, throwing our solar system away ... a galaxy located roughly 270 million ...

Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars, many of them with planets of their own. The Milky Way got its name from the ...

At least 50 billion planets in our own Milky Way galaxy are likely to be free-floaters ... the original star cluster in which our own solar system formed. But early such clusters are tumultuous ...

This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy ... dwarfs to the solar system.

However, it is now considered a dwarf planet instead. The universe has billions of galaxies, and our solar system is in the Milky Way Galaxy. The Milky Way contains at least 100 billion other ...

At just over 20,000 mph, experts say they're the fastest of their kind on any known planet. Find out more here.

Scientists have uncovered the existence of a binary star system close to the black hole near the center of the Milky Way galaxy, confirming a hypothesis made by happenstance nearly a century ago.

The lab released a new image of two galaxies merging, which teases the fate of the Milky Way. The galactic merger is located around ... awaits our own Milky Way galaxy. The image was captured ...

the solar system and galaxies. This clip helps to reinforce the meaning of a galaxy, using the Milky Way as an example. Many students will have preconceptions about what dark matter is ...

The Milky Way is one of billions of galaxies in the universe and home to our own solar system. It appears as a hazy band in the sky when viewed from Earth.

This composite of planets in our solar system was taken by various NASA spacecraft. Included in the image are (from top to bottom) Jupiter, Saturn, Uranus, and Neptune. Credit: NASA/JPL.