Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

A sideways spiral galaxy shines in this NASA/ESA Hubble Space Telescope image. Located about 60 million light-years away in ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

In Part 2 of his story, Benita Albert tells of astronomer Bob Benjamin's career, including teaching and now being a NASA consultant.

The best time to view the Milky Way in the Northern Hemisphere is from March to September. The Milky Way, our home galaxy ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

A heritage of dark sky preservation means residents of Flagstaff welcome the season’s longer nights with prolonged views of ...

I/ATLAS safely passes Earth as Avi Loeb says it ignored our planet, showing ’earthlings’ they are not the center of attention ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

But the most striking discovery was just how chaotic the Milky Way’s early life appears to have been. The youngest galactic ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has been used to discover REBELS-25, a Milky Way-like galaxy from the ...