"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until now, atoms have never been imaged interacting freely in space, but a new technique known as ...

A galaxy floating alongside our own some 380,000 light-years from Earth could offer fresh clues in the 90-year-long quest to determine the nature of dark matter, the invisible glue that holds galaxies ...

"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

For the first time, scientists have observed solo atoms floating freely and interacting in space. The discovery helps to confirm some of the most basic principles of quantum mechanics that were first ...

The pair of strange, luminescent creatures at play in this image are actually galaxies — realms of millions upon millions of stars. This galactic duo is known as UGC 2369. The galaxies are interacting ...