Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 ...

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of Sun-like stars billions of years ago. The journey may have carried the solar ...

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

Milky Way season, when the galaxy's bright center is visible, is underway. The best viewing time in the Northern Hemisphere ...

The Andromeda Galaxy, the nearest major galaxy to the Milky Way, is slowly moving toward us at incredible speed. Astronomers ...

This time of the year is known as "Milky Way season," and Nevadans should be able to see the collection of stars without any special equipment, especially in darker areas away from city lights.

Arizona stargazers can see the Milky Way without special equipment. Learn when and where to spot our galaxy's bright center.

Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky ...

This image shows the complex distribution of molecular gas in the Central Molecular Zone (CMZ) of the Milky Way. It was obtained with the Atacama Large Millimeter/submillimeter Array (ALMA), in which ...