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

What's the size of the Milky Way galaxy? Learn how, depending on your definition, the size can change.

Just in time for Christmas, a vast star-forming region shaped like a Christmas tree is lighting up space 2,700 light-years ...

This Christmas, astronomers are highlighting a spectacular region of space that looks remarkably like a glowing holiday tree.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

In 1974, the project’s Science Working Group recommended that the telescope be required to resolve details at least one-tenth ...

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

“ [W]e present the discovery and characterization of TOI-4507 b, a cold planet transiting a young F star with an orbital ...

Interstellar object 3I/ATLAS defies comet norms with steady mass loss and precise dust jets, racing towards Jupiter.

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