Never-before-seen details of the Milky Way's spiral arms have been revealed through chemical mapping. This pioneering technique, called chemical cartography, has unveiled new regions of our galaxy's ...

The method overcomes the challenges of dust that block the view of some of the Milky Way's stars. Hawkins’ model superimposed over a NASA Jet Propulsion Laboratory illustration of the Milky Way. Red ...

The Milky Way contains more than 100 billion stars, each following its own evolutionary path through birth, life, and ...

The clashing galaxies NGC 4568 (bottom) and NGC 4567 (top) as seen by the Gemini North telescope in Hawai‘i A 100-year-old mystery surrounding the "shape-shifting" nature of some galaxies has been ...

A century-old mystery of how galaxies change shapes has been solved by considering 'survival of the fittest' collisions between cosmic titans. When you purchase through links on our site, we may earn ...

Every 200 million years, high-energy comets may pelt our planet as it passes through our galaxy's spiral arms. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

St. Louis, Mo. — For decades, astronomers have been blind to what our galaxy, the Milky Way, really looks like. After all, we sit in the midst of it and can’t step outside for a bird’s eye view. Now, ...

Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

Mighty forces beyond the solar system billions of years ago might have shaped much of the land beneath our feet today. A study recently published in the journal Geology proposes that Earth’s ...

In a bizarre geological twist of fate, researchers report that the very continents on which we humans call home were likely a byproduct of four-billion-year-old giant Earth impactors incredibly ...

It looks like a tiny galaxy, but it's just one big star. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As if cracking open a cosmic Russian ...